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Keychron K3 Version 2, 84 Keys Ultra-Slim Wireless Bluetooth/USB Wired Mechanical Keyboard with White LED Backlit, Low-Profile Keychron Mechanical Red Switch Compatible with Mac Windows
Keychron

Keychron K3 Version 2

Bottom line: The Keychron K3 Version 2: Low-profile Keychron switches 40% slimmer with shorter travel for faster keypress feedback; main trade-off: bottom frame is plastic, not full aluminum like the top plate.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For keyboards, mice, headsets and other PC peripherals, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Low-profile Keychron switches 40% slimmer with shorter travel for faster keypress feedback
  • ✓ Bluetooth 5.1 pairs up to 3 devices; hop between laptop, PC, tablet and phone
  • ✓ Compact 75% layout with 84 keys frees desk space vs full-size boards
  • ✓ Mac and Windows ready with extra keycaps for both included in the box

Cons

  • ✗ Bottom frame is plastic, not full aluminum like the top plate
  • ✗ Low-profile feel differs from full-height switches; short adaptation period
  • ✗ White LED backlight only, no per-key RGB lighting
  • ✗ 75% layout drops the dedicated function row and numpad

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SpecPicks Verdict

SpecPicks scored Keychron K3 Version 2 using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. Keychron's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Keychron K3, a compact 75% layout ultra-slim wireless mechanical keyboard built for peak productivity and a great tactile typing experience.
  • Be ready to multitask without missing a beat by connecting the K3 with up to 3 devices via the stable Broadcom Bluetooth 5.1 chipset and switch between your laptop, PC, tablet and phone seamlessly. *Keep the distance between the keyboard and the device within reasonable limits to minimize signal interference.
  • With a unique Mac layout, the K3 has all the necessary Mac multimedia keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included. *If it doesn't match your device exactly, you can try updating the keyboard's firmware.
  • The redesigned low-profile Keychron mechanical switch is 40% slimmer than conventional switches with a shorter pre-travel and total travel distance that triggers an input and feedback faster than conventional/normal-profile mechanical switches.
  • Together with the reinforced aluminum body (plastic bottom frame) make the K3 one of the thinnest and lightweight wireless mechanical keyboards on the market. The K3 also comes with a floating keycap design with a charming white backlight with modern keycap legends to sync with your mood.

Full Specifications

BrandKeychron
ColorKeychron Red Switch
StyleContemporary
ThemeUltra-slim Wireless Mechanical Keyboards
LanguageEnglish
GenerationSecond
Model NameK3
Style NameContemporary
Unit Count1 Count
Switch TypeLow Profile Gateron Mechanical - Red
ConnectivityBluetooth, USB
Model NumberK3A1
Power SourceCorded Electric
CompatibilityPC, Switch, Mac
Built-In MediaUSB Cable
Item Type NameLow-Profile Wireless Mechanical Keyboard
Number of Keys84
Button Quantity84
Connection TypeWired
Keyboard LayoutQWERTY
Full listing titleKeychron K3 Version 2, 84 Keys Ultra-Slim Wireless Bluetooth/USB Wired Mechanical Keyboard with White LED Backlit, Low-Profile Keychron Mechanical Red Switch Compatible with Mac Windows

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Keychron K3 Version 2, 84 Keys Ultra-Slim Wireless Bluetooth/USB Wired Mechanical Keyboard with White LED Backlit, Low-Profile Keychron Mechanical Red Switch Compatible with Mac Windows is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Keychron K3 Version 2, 84 Keys Ultra-Slim Wireless Bluetooth/USB Wired Mechanical Keyboard with White LED Backlit, Low-Profile Keychron Mechanical Red Switch Compatible with Mac Windows
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