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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 Brown Switch Compatible with Mac Windows
Keychron

Keychron K3 Version 2

Bottom line: The Keychron K3 Version 2: Compact 75% layout with 84 keys keeps the function row and arrow keys; main trade-off: white LED backlight only, no RGB color options.

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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

  • ✓ Compact 75% layout with 84 keys keeps the function row and arrow keys
  • ✓ Pairs with up to 3 devices over Broadcom Bluetooth 5.1, plus USB wired mode
  • ✓ Low-profile Brown switches are 40% slimmer, with shorter travel than standard switches
  • ✓ Mac-first layout with multimedia keys; Windows keycaps included in the box
  • ✓ Ultra-slim, aluminum-reinforced body is light enough to carry in a laptop bag

Cons

  • ✗ White LED backlight only, no RGB color options
  • ✗ Bottom frame is plastic, not full aluminum
  • ✗ No number pad in the 75% layout for heavy data-entry work
  • ✗ Mac-first key layout; on Windows, some keys may need a firmware update

Manufacturer description

The Keychron K3 Version 2 is an ultra-slim wireless mechanical keyboard with a compact 75% layout and 84 keys. You keep the function row and arrow keys while using less desk space than a full-size board. Its low-profile Keychron Brown switches are 40% slimmer than standard mechanical switches. They have shorter pre-travel and total travel, so each press registers faster and still gives a tactile bump. You can pair the K3 with up to three devices over its Broadcom Bluetooth 5.1 chipset and switch between a laptop, PC, tablet and phone. You can also use it wired over USB. The layout is built…

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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.

Frequently Asked Questions

Does the Keychron K3 Version 2 work with Windows as well as Mac?

Yes. The K3 uses a Mac-first layout with dedicated multimedia keys and also works with Windows. Extra keycaps for both operating systems come in the box. If the key mapping doesn't match your device, Keychron recommends updating the keyboard's firmware.

How many devices can I connect to the Keychron K3 at once?

You can pair up to 3 devices over its Broadcom Bluetooth 5.1 chipset and switch between a laptop, PC, tablet and phone. It also connects by USB cable. Keep the keyboard reasonably close to paired devices to reduce signal interference.

What do the Keychron low-profile Brown switches feel like?

Brown switches are tactile. Keychron's low-profile version is 40% slimmer than conventional mechanical switches, with shorter pre-travel and total travel, so each keystroke registers and gives feedback faster than on a full-height switch.

Is the Keychron K3 Version 2 backlit?

Yes, it has a white LED backlight under floating keycaps with modern legends. The listing describes white backlighting only, with no RGB color options.

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 Brown Switch
StyleContemporary
ThemeMinimalist
LanguageEnglish
Generation1st Generation
Model NameK3
Style NameContemporary
Unit Count1 Count
Switch TypeTactile
ConnectivityBluetooth, USB
Model NumberK3A3
Power SourceBattery Powered
CompatibilityPC, Switch, Mac
Built-In Media1 x USB-A to USB Type-C Cable, Keycap Puller, User Manual
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 Brown 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 Brown 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 Brown Switch Compatible with Mac Windows
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