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Keychron K3 Mechanical Keyboard (Version 2)

RM 309.00
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Incorporating the world’s first hot-swappable low profile Optical switches to customize per-key typing experience with ease, together with all signature Keychron features.


Connects via Bluetooth and switch among them easily. Featuring Bluetooth 5.1 chipset, the K3 offers flawless connectivity whether you’re working at home or the office while connecting with your smartphone, laptop and iPad.

Connects with up to 3 devices

Broadcom Bluetooth 5.1

Type-C connection


The redesigned low profile switch is 40% slimmer than conventional switches. Together with the streamlined aluminum body makes the K3 one of the thinnest and lightweight wireless mechanical keyboards in the world.

Two level adjustable rubber feet makes the new K3 more comfortable to type on.


We all have our unique typing preferences, that’s why we went the extra mile to make the K3 the world's first hot-swappable low profile Optical switch keyboard. We’ve implemented a MX-styled stem and stabilizers, and conducted numerous design iterations of the keyboard structure.

You can easily hot-swap every Optical switch in a few seconds to customize your typing experience on the K3 without soldering. *Hot-swappable feature is available for low profile Keychron Optical switch version only.


We’ve overcome different technical challenges to redesign both the low profile Gateron Mechanical switch and low profile Keychron Optical switch in order to elevate the typing experience while enhancing its reliability on the ultra-slim keyboard.

Mechanical Switch

Durable low profile Gateron Mechanical switch with a 50 million keystroke lifespan to provide an unrivaled tactile responsiveness

Optical Switch

With the MX-styled stem housing and ultra-low latency, the low profile Keychron Optical switches are crafted for typists or gamers who want to type at lightning speed with a lifespan much greater than industry standards.
*Low profile Keychron Optical switch keyboard is not compatible with any conventional mx style mechanical switch.

Light actuated

0.2ms Ultra-low latency

70 million keystroke lifespan


We’ve spent over a year developing and implementing a MX-styled stem on both the low profile switches for the K3 as well as stabilizers on the big keys like the space bar, left Shift, backspace and Enter key.

It will improve reliability, deliver better typing experiences, and may potentially pave the way for other keycap manufacturers to launch alternative keycaps.


Crafted for productivity, the K3’s 75% layout is a compact version of tenkeyless layout. It allows users access to all the essential multimedia and function keys, but with a smaller footprint.


Comes with various RGB backlight settings, you can adjust the keyboard brightness to sync with your mood. Various backlight patterns are also available on the K3 White Backlight version.

Floating keycap design

Static backlight option

Keychron K3 Layout

Number of Keys: 84 keys
Layout: ANSI
Version: Gateron / Optical / Hot-swappable
Switches: Low profile Gateron mechanical / Low profile Keychron Optical
Number of Multimedia Keys: 12
Frame Material: ABS+Aluminum frame
Keycap Material: ABS

Example compatible keycaps: Roccat Vulcan 120 Aimo, Cooler Master SK630/SK631/SK650/SK651, Corsair K70 RGB MK.2, Alienware AW510K
Dimension: 306 x 116mm
Height incl. keycap (front) 22mm
Height incl. keycap (rear) 17mm
Weight: About 396g / 0.87lbs
Operating Environment: -10 to 50℃

Backlit Types: 18
Backlit: Adjustable 4-level RGB backlit
System: Windows/Android/Mac/iOS
Battery: 1550mAh Rechargeable li-polymer battery
BT Working Time (Single LED): Up to 34 hours (Lab test result may vary by actual use)
BT Working Time (RGB): Up to 34 hours (Lab test result may vary by actual use)
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K3
Compatible System: macOS/Windows

1 x Keyboard
1 x USB-A to USB Type-C Cable
1 x Keycap Puller
1 x Switch Puller (For Optical version only)
1 x Dust Cover
1 x User Manual
Learn how to alter the low profile switch on Keychron K3

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