Tech Glossary

A laptop with a hinge that folds all the way back so it doubles as a tablet. Usually has a touchscreen.

A wireless frequency used by gaming peripherals. Offers very low latency and a stable connection - better for gaming than Bluetooth.

Wired networking at 2.5 gigabits over the same cables as regular gigabit. Lets NAS boxes and fast internet plans actually stretch their legs.

2560x1440 pixels. Sharp enough to reliably read license plates at a distance - the real test for any dash cam.

Double-width Wi-Fi lanes: twice the data per trip compared with older Wi-Fi generations. One of the big reasons Wi-Fi 7 is faster.

Sony's technology that uses microphones to create virtual surround sound from a single soundbar - no rear speakers needed.

The receiver passes a high-quality video signal through to your TV without downgrading it. Your TV still does the actual picture processing.

3840x2160 pixels. The sharpest video a dash cam can record. Makes a real difference when you need to zoom into footage later.

A display running at high resolution and 120 frames per second at the same time. The current gold standard for smooth, sharp gaming.

Five speakers plus one subwoofer. The standard home theater setup: front left, front right, center, rear left, rear right, and one bass speaker.

The fastest 5G band. Incredible speeds but only works close to a tower and gets blocked by walls. Mostly only useful downtown in large cities.

The 5G that actually works everywhere. Not as fast as mmWave but real-world speeds are solid and it goes through walls.

5120x2880 pixels - an extremely high resolution that makes images look razor-sharp. Requires a powerful GPU to run games at this resolution.

A newer, wider slice of wireless spectrum that only recent devices can use. Far less crowded than the old 2.4 and 5GHz bands, so it is faster with less interference.

Seven speakers plus two subwoofers. Adds two more speakers to a 5.1 setup for more immersive surround sound in larger rooms.

Prevents your wheels from locking up during hard braking so you can still steer while stopping. The pulsing sensation in the pedal during a panic stop is ABS working.

The filter layer that absorbs odors, smoke smell, and gases - the stuff HEPA cannot touch. Real carbon pellets work; thin carbon-dusted pads mostly do not.

Uses microphones to detect ambient noise and generates sound waves to cancel it out. Reduces background noise electronically without blocking it with foam.

How far a key travels before it registers. Shorter means faster response, and adjustable actuation lets you tune it per key.

Advanced Driver Assistance System. Lane departure warnings, collision alerts. Sounds useful - most drivers find it annoying in practice.

Independent lab certification of a purifier coverage claim, assuming about five air changes per hour - the rate that actually helps. Trust this number, not the box.

How many times a purifier cycles the full volume of room air in one hour. Five per hour is the target for allergies and smoke.

Apple's wireless streaming system. Lets you send music or video from your iPhone, iPad, or Mac to compatible speakers and TVs.

Amazon's voice assistant. Lets you control smart home devices, play music, set timers, and more just by talking.

A screen type where each pixel produces its own light and turns completely off for black. Better contrast, more vivid colors, and easier on battery than older LCD screens.

How far a massage gun head physically travels on each stroke. 16mm reaches deep muscle; the 6 to 8mm strokes in cheap guns just buzz your skin.

Google's version of CarPlay: your Android phone apps, mirrored on the car dash screen.

Google's operating system for streaming devices and smart TVs. Powers streaming sticks and set-top boxes - runs apps, has a voice remote, and ties into Google services.

A low-power wireless protocol used by fitness gear. Lets one heart rate strap broadcast to a watch, a bike computer, and gym equipment all at the same time, alongside Bluetooth.

Apple's system for putting your iPhone maps, music, and messages on the car dash screen. The wireless version does it without plugging in.

Apple's smart home platform. Controls compatible devices through the Home app on iPhone, iPad, and Mac. Requires devices to be HomeKit-certified.

Apple's latest processor for Mac. Extremely fast and efficient - handles heavy tasks while lasting all day on battery.

A family of Bluetooth audio codecs that squeeze better sound quality through the wireless connection than the basic standard. Common on Android; iPhones do not support it.

A chip design more efficient than traditional PC processors. Used in Apple Silicon and Snapdragon X - great battery, but some older software will not run.

Jointed arms that fold and extend like an elbow. What lets a full motion mount pull the TV off the wall and swing it around the room.

An irregular heart rhythm that increases stroke risk. Some smartwatches can flag potential AFib using their ECG sensor - not a diagnosis, but worth following up on.

The new US broadcast TV standard: 4K picture, better reception, interactive extras, still free over the air. You need a TV or tuner that supports it.

Denon's automatic room calibration system. Uses a microphone to measure your room and adjusts the sound output to match it.

Automatically switches your TV or receiver into game mode when it detects a console is connected. No digging through settings menus required.

A docking station that automatically sucks the dirt out of the robot vacuum into a bigger bag. You empty the bag every few weeks instead of after every run.

The brain of your home theater. It takes everything plugged into it - game consoles, Blu-ray players, streaming sticks - and sends the right audio and video to the right place.

The private connection mesh units use to talk to each other. A strong backhaul keeps the far units fast instead of relaying at half speed.

Light that leaks from the edges or corners of an LCD screen into dark areas. Common on budget monitors. OLED has zero backlight bleed since each pixel lights itself.

A dock that your wireless headset sits on to charge. Higher-end models also act as audio hubs with volume controls and input switching.

Technology that aims sound in specific directions - like a spotlight for audio. Lets a single soundbar create the impression of surround sound.

How smart scales estimate body fat: a tiny, harmless current runs through you and the resistance hints at fat versus muscle. Trustworthy for trends, fuzzy on any single day.

How much data the camera saves per second of video. Higher bitrate means more detail and clearer footage - especially important in low light.

A sensor that shines light through your skin to measure how much oxygen is in your blood. Useful for tracking sleep quality and altitude sickness.

A halo of light that appears around bright objects on dark backgrounds on LCD screens. Caused by backlight leaking into dark areas. OLED eliminates this completely.

Short-range wireless technology used to connect headphones, speakers, and accessories to your phone or laptop. No internet required - works device to device.

Garmin's energy score from 0 to 100. It estimates how much fuel you have left based on your sleep, stress, and heart rate variability. Hit zero and you feel it.

The breakdown of what you are made of: fat, muscle, bone, and water, rather than just one total weight number.

Saves footage from a few seconds before an impact, not just after. Critical for capturing what actually caused the hit.

A permanent discoloration of OLED screens caused by static images displayed for very long periods. A real but manageable risk - modern OLEDs have features to minimize it.

The common wire in thermostat wiring that provides continuous power. Most smart thermostats require one - if your old thermostat has only two wires, you may need an adapter.

Steps per minute while running. Most coaches target 170-180 steps per minute for efficiency. Your GPS watch counts both feet - each full stride is two steps.

Clean Air Delivery Rate, the honest speed rating for air purifiers: how much filtered air actually comes out. Bigger CADR cleans bigger rooms faster.

A camera video output with no menus or icons burned into the picture. Exactly what you want when a camera is doing webcam duty.

Headphones with sealed ear cups. Blocks outside noise and keeps your audio private. Better for noisy environments.

The round screw-on cable carrying the antenna signal to your TV. Longer runs lose a little signal, which is why generous included cable is a real feature.

Using software to improve your photos rather than just the lens. Automatically brightens dark shots, sharpens blur, and removes unwanted objects.

A microphone type that captures more detail but hears everything in the room. Sounds bigger and brighter, wants a quiet space.

Microsoft's AI feature set for Windows laptops. Includes live captions, AI-powered search, and image generation - all running directly on the device.

Intel's latest laptop processor lineup. Solid everyday performance with improved battery life over older Intel chips.

A color standard used in digital cinema. A monitor with 98% DCI-P3 can display almost the full range of colors used in movies and professional content.

The generation of RAM inside the laptop. DDR5 is faster than DDR4 - mostly matters for gaming and heavy creative work.

A separate graphics chip just for handling visuals. Essential for gaming and video editing - far more powerful than graphics built into the main processor.

A motor connected straight to the wheel shaft with no gears or belts between. In sim racing wheels it means instant, detailed, silent force feedback, and it is the biggest feel upgrade in the hobby.

A video cable standard for connecting monitors to computers. Handles higher resolutions and refresh rates than HDMI in many cases - standard on gaming monitors and desktop GPUs.

A surround sound format that makes audio move above you, not just around you. Explosions feel overhead. Helicopters actually fly over your head.

A premium version of HDR video. Makes the picture look more realistic with better brightness and color accuracy than standard HDR.

The soreness that arrives a day or two after hard exercise. The thing massage guns are legitimately good at reducing.

Mouse sensitivity setting. Higher DPI means the cursor moves further with less physical movement. Most gamers use 400-1600 DPI depending on screen size and play style.

Same idea as Dolby Atmos - adds height to your sound. Different company, same concept. Most content uses one or the other.

Uses radar waves instead of a camera to detect motion. More accurate than visual detection - will not false-trigger on shadows or passing headlights.

GPS that uses two satellite frequencies simultaneously. More accurate than single-band GPS in cities, on trails, and anywhere signals bounce off buildings or tree cover.

The standard speaker technology in most headphones. Uses a moving coil - reliable and proven, but generally less detailed than planar magnetic at the top end.

A microphone type that only hears things close and loud: your voice, not your keyboard, fans, or roommates. The forgiving choice for a normal room.

Measures your heart's electrical activity to detect irregular rhythms. A useful early warning for conditions like atrial fibrillation - but not a replacement for a real doctor.

A stress sensor that detects tiny changes in how well your skin conducts electricity. Higher EDA usually means your body is under more stress.

A desktop graphics card living in an external box, connected by cable. Lets a mini PC or laptop borrow full gaming power when parked at a desk.

A smart plug feature that measures how much electricity the plugged-in device actually uses. Great for catching the old garage freezer quietly inflating your power bill.

A government-backed energy efficiency certification from the EPA. Products that qualify use measurably less electricity and often qualify for utility company rebates.

Samsung's own processor used in some Galaxy phones. Performs well for everyday tasks but generally trails Snapdragon in benchmarks.

Motors in a racing wheel that physically push back against your hands, simulating road texture, curbs, and tire grip so you feel the car instead of just steering it.

First-Person Shooter - a game genre where you see through the eyes of your character. Positional audio matters a lot: hearing enemy footsteps can win or lose a round.

Pre-tax health spending accounts. When gear is FSA or HSA eligible, paying with that money is effectively a 20 to 30 percent discount.

A mount type that extends, tilts, and swivels so the screen can pull away from the wall and angle toward you. The most flexible kind, and the most expensive.

Technology that syncs your monitor refresh rate to your graphics card. Eliminates screen tearing. G-Sync Pulsar adds backlight strobing for even sharper motion clarity.

A built-in audio interface that converts digital audio to analog with higher quality than a standard motherboard. Lets you fine-tune EQ settings and connect better headphones.

A newer material for charger internals that switches faster and wastes less heat than old silicon chips. It is why modern chargers are half the size at twice the wattage.

A virtual boundary around a location like your home. The dash cam can power off automatically when you arrive and power on when you leave.

Nothing Phone's LED strip on the back. Lights up for notifications, works as a timer indicator, or shows charging progress.

Google's smart home platform and voice assistant. Controls compatible devices by voice and through the Google Home app.

Records your exact speed and location alongside the video. Useful proof in an accident or insurance dispute.

Switches that sense a magnet instead of touching metal contacts. Nothing physically wears out, and the keyboard knows exactly how far each key is pressed.

The cable standard that carries audio and video between your devices. HDMI 2.1 supports higher resolution and faster frame rates than older versions.

Audio Return Channel. Lets the TV send its sound back down the same HDMI cable to speakers or a soundbar, so one cable handles both directions and your TV remote controls the volume.

A special HDMI port that sends high-quality audio from your TV back to your receiver through the same cable. Without it you lose some audio quality.

Makes bright parts of the picture brighter and dark parts darker at the same time. The result looks closer to what your eyes see in real life.

Makes the bright parts of the picture brighter and the dark parts darker at the same time. The result looks closer to what your eyes see in real life.

The earbuds sense when you turn your head and shift the sound to stay anchored, so audio feels like it comes from the room instead of your skull.

Denon's multi-room audio system. Lets you play music in multiple rooms simultaneously through one app.

A high-efficiency air filter that traps tiny particles including dust, pollen, and pet dander. Important if anyone in the house has allergies.

A battery you can remove and replace while the device is still running. With headsets it means swapping a dead battery for a charged one without interrupting your session.

The variation in time between heartbeats. Higher variability is generally a good sign - it means your body is recovering well and handling stress better.

Heating, Ventilation, and Air Conditioning. The combined system that heats and cools your home. Smart thermostats control your HVAC.

The specific Sony image sensor inside several top-rated dash cams. Known for class-leading low-light performance and accurate color.

Graphics processing built into the main chip. Fine for everyday tasks and streaming but not enough for gaming or serious video work.

A dust and water resistance rating: protected against dust and low-pressure water jets. Sweat-proof and rain-proof, not swim-proof.

A dust and water resistance rating: fully sealed against dust and able to survive brief submersion. Sweat and rain proof, but not built for swimming laps.

Dust and water resistance rating. IP68 means the phone survives being submerged in 1.5 meters of water for 30 minutes - it will survive a toilet drop.

A screen type with accurate colors and good viewing angles from the side. The reliable all-rounder - not the fastest, not the cheapest, but consistently good.

The standard charging port on most existing non-Tesla EVs in North America. Being phased out in favor of the Tesla-style NACS plug, but adapters bridge the two both ways.

Sony's high-quality Bluetooth audio codec that streams close to CD quality. Most Android phones support it; iPhones do not.

A 240 volt home EV charger, the same power class as an electric dryer. Adds roughly 25 to 37 miles of range per hour versus 3 to 5 from a regular wall outlet.

A laser-based mapping system used in robot vacuums and lawn mowers. Scans the space and builds an accurate map so the robot works in neat lines instead of bumping around randomly.

Apple's name for their high-resolution laptop screens. Very sharp, color-accurate, and bright - noticeably better than budget laptop displays.

A pressure sensor used in better sim racing brake pedals. Measures how hard you press rather than how far the pedal travels, which is how real brakes behave.

A feature that dims specific zones of a screen backlight independently. More zones means better contrast - dark areas go darker without affecting bright areas nearby.

The camera automatically records over old footage when the memory card fills up. You never have to manage files - it just keeps recording forever.

Fast, power-sipping laptop-style memory, usually soldered to the board. Quick and efficient, but rarely upgradeable, so buy the size you will need later.

A smarter screen that adjusts its refresh rate automatically - high when scrolling, low when reading. Saves battery without sacrificing smoothness.

The stick-of-gum slot modern SSDs plug into. A free M.2 slot means you can add fast storage in about ten minutes with one screw.

Apple's magnetic charging and mounting system for iPhones. Snaps on instantly and charges wirelessly - no cable required every time.

Milliamp-hours - the unit used to measure battery size. Bigger number means more capacity. A 5000mAh battery lasts longer than a 4000mAh one.

A new universal smart home standard backed by Apple, Google, and Amazon. Devices with Matter work across all three ecosystems - no more picking sides.

Several router units working as one network across the house. Your devices hop between them automatically and the dead zone in the back bedroom disappears.

Apple certification for third-party accessories. Means the product was tested and approved to work reliably with iPhone, iPad, and Mac.

A tiny removable memory card used by dash cams to store footage. Get a high-endurance card designed for continuous recording - regular ones wear out fast.

A backlight using thousands of tiny LEDs to improve contrast on LCD screens. Not as good as OLED for black levels but brighter, cheaper, and no burn-in risk.

How long a pixel appears to stay lit during motion. Lower MPRT means less blur on fast-moving objects - important for gaming, less so for everyday use.

An antenna that pulls signal from all directions at once so you never have to aim it. The tradeoff is a little less range than a pointed directional antenna.

Internet plans and network ports faster than one gigabit. If your plan is 2 gigabit or more, you need multi-gig ports to actually feel it.

A Wi-Fi 7 feature where a device uses multiple bands at the same time instead of picking one. Steadier connection, fewer dropouts as you move around the house.

A system where music plays in multiple rooms at the same time, all in sync. Sonos and HEOS are popular examples.

Connected to two devices at once, like laptop and phone, switching audio automatically when a call comes in.

Yamaha's multi-room audio platform. Lets you control music throughout your home from one app.

North American Charging Standard. The Tesla-style EV plug that nearly every automaker has now adopted, replacing the older J1772 port on new electric cars.

The heavy-duty 240 volt outlet used by plug-in EV chargers and RVs. Runs on a 50 amp circuit and should be installed by a licensed electrician.

The unit for rotational force, used to rate racing wheel strength. Around 2 to 3 Nm is entry level, 5 Nm is transformative, and 8-plus Nm is a genuine arm workout.

Nothing Phone's version of Android. One of the cleaner software experiences available - minimal bloat, distinctive design.

A processor section built purely for AI tasks. Handles things like background blur, transcription, and local AI features without taxing the main cores.

A fast storage drive built into your laptop. Starts up Windows and opens apps noticeably faster than older hard drives.

The diagnostic port built into every car made after 1996. Plug in a scanner and it reads the fault codes your vehicle computer is throwing - no dealership required.

OBS Studio, the free program most streamers use to mix gameplay, camera, overlays, and alerts before sending the result to Twitch or YouTube.

A direct PCIe cable port on some mini PCs for hooking up an external graphics card. Faster than USB4 for that job, but less common.

A screen where each pixel produces its own light and can turn completely off. Delivers true black, infinite contrast, and vivid colors - the best display technology for most uses.

Samsung's version of Android. The software layer on top of stock Android with Samsung's own apps and design choices.

Headphones with vented ear cups. Better at placing sounds around you in games but everyone nearby can hear your audio too.

Earbuds that leave your ear canal unblocked and rest a small speaker just outside it. You hear your audio and the world at the same time.

An older way to connect audio devices using a fiber cable. It works but carries less audio quality than HDMI eARC.

A physical mechanism in the camera that counteracts hand shake. Makes photos and videos sharper, especially in low light.

A mouse button that uses a light beam instead of physical contact to detect a click. Faster than mechanical switches and immune to the double-click issue that plagues older mice.

Hearing aids sold over the counter, no prescription or audiologist visit required. Legal in the US since 2022 for mild to moderate hearing loss.

TV sent through the air from local towers, picked up free with an antenna. No cable bill, no streaming subscription, full HD.

A software update that downloads and installs automatically over Wi-Fi. No plugging into a computer required.

OnePlus's version of Android. Known for being clean and fast without a lot of extra bloat on top.

A tool that lets you adjust the volume of specific frequency ranges - boost the bass, cut the highs. Lets you tune the sound to your exact preference.

The dash cam stays on and recording while your car is off. Catches hit-and-runs in parking lots. Needs a separate power source or it will drain your car battery.

The signal goes straight through the device to your screen untouched, with no added lag, while the device does its own job on the side. In capture cards, that job is recording.

Rapid repeated strikes into a muscle from a massage gun head. Boosts blood flow and eases soreness, like a deep tissue massage on fast forward.

A camera that uses a folded internal lens to zoom far without a chunky camera bump - like a periscope on a submarine.

A small amplifier that boosts the tiny signal from a turntable needle up to normal line level. Without one somewhere in the chain, a record player is nearly silent.

A premium speaker technology borrowed from audiophile headphones. Uses a thin membrane instead of a cone - produces more accurate, detailed sound at high prices.

Winix's ion technology that helps break down odors and pollutants. Optional - you can switch it off and run pure filtration.

Software that turns a computer or hard drive into a personal media server. Stream your own video and music library to any device - like your own private Netflix.

Particles smaller than 2.5 microns, the dangerous fraction of smoke and pollution that slips deep into lungs. True HEPA filtration captures it.

The shape of what a microphone hears: front only, front and back, or all around. Switchable patterns let one mic handle solo, interview, and room recording.

A flexible OLED screen. Same vivid picture quality as regular OLED but can be shaped into curves.

How often your mouse reports its position to your computer, in Hz. 1000Hz means it checks 1,000 times per second - the standard for gaming mice.

The fast-charging standard that runs over USB-C. More watts means faster charging: phones want 20 to 45W, laptops need 60W and up.

Speakers with the amplifier built into the cabinet. Plug them into the wall, connect a source, done. The opposite of passive speakers, which need a separate amp or receiver.

Programmable Power Supply, the USB-C fast-charge mode Samsung's Super Fast Charging requires. Chargers without PPS silently drop Galaxy phones to slower speeds.

Apple's name for their 120Hz adaptive display. Scrolling feels smooth, animations look fluid, and it automatically slows down to save battery.

Pounds per square inch, the unit for air pressure. The sticker inside your driver door says exactly how many your tires want - usually 32 to 36.

Samsung's feature that lets a compatible Samsung TV and Samsung soundbar work together, using both sets of speakers at the same time.

A combination of OLED and quantum dot technology. Delivers the deep blacks of OLED plus brighter, more saturated colors.

A screen resolution sharper than standard 1080p. Text looks crisper and images have more detail on larger screens.

The standard wireless charging used by most Android phones and iPhones. Slower than MagSafe and does not use magnets to snap into place.

The wireless charging standard that added magnets, borrowed from Apple MagSafe. Certified means 15W speed and proper magnetic alignment were verified by an independent body, not guessed by a seller.

The faster version of Qi2 wireless charging, up to 25W on the newest phones. Older phones automatically fall back to standard Qi2 speeds.

A gaming feature that reduces the delay between your console and your TV. Makes fast-paced games feel more responsive.

Your laptop's short-term memory. More RAM means it can handle more tasks at once without slowing down. 16GB is the minimum worth buying in 2026.

A keyboard feature that resets a key the instant you start releasing it instead of at a fixed point. Lets you repeat inputs faster in shooters.

How many times per second your screen redraws the image. 60Hz is fine for movies. 144Hz makes fast games dramatically smoother. 360Hz is for elite competitive players.

How fast a pixel changes color, measured in milliseconds. Lower is better - slow response time causes ghosting and blur on fast-moving objects.

The process a robot vacuum uses to build a digital map of your home. A good map means it cleans methodically instead of randomly.

Real-Time Kinematic satellite positioning. Corrects normal GPS down to an accuracy of a couple centimeters, which is how wire-free robot mowers cut straight lines without a buried boundary wire.

NVIDIA's graphics card. Higher numbers mean more performance and higher price. The RTX 4060 handles most modern games at high settings comfortably.

Body composition measured limb by limb instead of one whole-body estimate. Requires electrodes at your hands as well as your feet, which is why those scales have handles.

A robot vacuum dock that sucks the robot bin into a big sealed bag after each run. Turns emptying from an every-run chore into a monthly one.

OTC hearing aids you tune yourself using a hearing test in a phone app instead of a clinic visit.

A suspension system that isolates the microphone from bumps and desk thumps, so a fist on the desk does not become part of the recording.

A newer battery technology that stores more energy in the same physical size. Better battery life without making the phone thicker.

Uses heart rate and movement data to estimate how long you spend in light, deep, and REM sleep each night. Not as accurate as a sleep lab but useful for spotting patterns.

A central device that connects and controls all your smart home gadgets. Think of it as the translator that lets different brands talk to each other.

Qualcomm's processor used in most premium Android phones. Fast, efficient, and the benchmark for Android performance.

Qualcomm's laptop chip for Windows. Very efficient on battery life but not all older Windows software runs on it yet.

Sony's camera chip built for low-light performance. The difference between footage that holds up as evidence and footage that falls apart at night.

Sonos's driver system that produces deeper bass without a separate subwoofer.

How wide and real the audio feels. Good soundstage means you can tell where each sound is coming from - left, right, behind, above.

Samsung's auto-calibration feature. The soundbar listens to your room and adjusts its audio settings automatically.

Processing that makes headphone sound feel like it surrounds you in a room instead of living inside your head. Often paired with head tracking so the sound stays put when you turn.

The percentage of your blood that is carrying oxygen. Normal is 95-100%. Dips below 90% are a sign something is wrong.

The standard color space for everyday digital content - websites, photos, video. A monitor covering 100% sRGB displays all standard digital colors accurately.

Your airbag system. SRS codes from an OBD2 scanner mean there is a fault in the airbags, seatbelt pretensioners, or related safety hardware.

How hard you can press a massage gun into muscle before the motor gives up. Low stall force means it quits the moment you lean in.

The speaker that handles deep bass - explosions, rumbles, low music notes. The one that makes your chest thump.

Vacuum pull, usually measured in Pascals (Pa). Bigger numbers help, but unknown brands invent them freely. Design, brushes, and seals matter as much as the number.

Samsung's name for its 25W and 45W Galaxy charging modes. Needs a charger with PPS support to actually hit those speeds.

A power component that handles heat far better than a regular battery. Common in quality dash cams since they sit in direct sun all day.

A microphone pickup pattern that captures sound directly in front while rejecting noise from the sides and rear. Good for gaming in louder environments.

A headset that creates the impression of sounds coming from all directions - through multiple physical drivers or software processing.

How much heat a processor produces under heavy use. Higher TDP generally means more performance but shorter battery life and louder fans.

Google's custom processor designed for AI tasks. Powers features like Magic Eraser and instant translations directly on the phone without the internet.

A newer wireless protocol for smart home devices. Faster and more reliable than Zigbee - and on Matter-compatible setups, no separate hub required.

A high-speed port that handles data, video output, and charging all through one USB-C cable. Not all USB-C ports are Thunderbolt.

The newest, fastest laptop port standard: 80 gigabits per second, triple the bandwidth of Thunderbolt 4. What premium docks use to run multiple displays and fast drives through one cable.

A quality stamp from a third-party testing lab. It means the hardware passed a real performance test - not a sound format, just a seal of approval.

The fastest screen type for gaming with the lowest response time. The trade-off is poor colors and bad viewing angles from the side.

Trillions of operations per second, the speed rating for AI hardware. Bigger is faster for local AI, and 40-plus TOPS is the current bar for AI PC features.

Sensors inside your wheels that alert you when tire pressure drops too low. The dashboard warning light that looks like a flat tire cross-section is TPMS.

A score measuring how hard your workouts have been over time. Tracks cumulative stress on your body to prevent overtraining and guide recovery.

A router that broadcasts on three bands at once: 2.4GHz, 5GHz, and 6GHz. More lanes for your devices to spread across.

Logitech tech that reads the game engine directly and adds high-frequency detail like engine rumble and curb texture on top of normal force feedback.

The band most TV stations broadcast on today. Small flat antennas handle UHF well - it is the easy part of reception.

A safety mark from Underwriters Laboratories, an independent testing lab. On a TV mount it means the weight rating was actually verified rather than invented by marketing.

A monitor with an extra-wide aspect ratio. Gives you more horizontal screen space - great for immersive gaming and productivity without a second monitor.

Apple's design where the processor and graphics share one pool of memory instead of separate banks. Fast and efficient, but you cannot upgrade it later.

The small oval-shaped cable port on modern devices. One port handles charging, data transfer, and video output - one USB-C cable can power a laptop and drive a monitor simultaneously.

The fastest mainstream USB port: up to 40Gbps through a USB-C shaped plug, with video output, charging, and external GPU support.

USB Video Class, the plug-and-play standard webcams use. UVC devices show up instantly in OBS, Zoom, and every video app with zero drivers.

Deep blacks and high contrast - great for dark games and movies. Slower than IPS for fast-paced gaming but delivers better picture depth.

Syncs the frame rate between your console or PC and your display so the picture never tears or stutters during fast action.

The standard bolt-hole spacing on the back of TVs and monitors. Match the mount VESA size to your screen and everything lines up.

The older, lower TV band a few stations still use. Its long wavelengths are hard for tiny antennas, so check that your antenna lists VHF support if a local station needs it.

Software that tricks your brain into hearing sounds from multiple directions through just two headphone drivers. Good enough for most gaming.

A measure of how much oxygen your body can use during hard exercise. Higher is better fitness. Elite athletes are above 60. Most people are in the 30s-40s.

How much power the receiver sends to each speaker. More watts means louder potential - but in a normal living room, anything over 50W is more than enough.

Google's operating system built for smartwatches. Required for Google Pixel Watch and most Android-compatible watches. Runs Google apps and the Play Store.

The latest mainstream Wi-Fi standard. Faster speeds and better performance in homes with lots of devices connected at the same time.

The newest Wi-Fi generation: the 6GHz band, double-width channels, and connections that use several bands at once. Works with every older device you own.

The chunky three-pin cable professional audio gear uses. A mic with both USB and XLR can grow from a desk setup into a full studio without being replaced.

Yamaha's automatic room calibration system. Measures your room and optimizes the audio.

Similar to Zigbee but runs on a different radio frequency with less interference. Slightly better range. Also needs a hub.

A low-power wireless system for smart home devices. More reliable than Wi-Fi for small sensors, but requires a separate hub to work.