Keychron K5 Ultra-Slim Wireless Mechanical Keyboard

HK$799 HK$679 SAVE 15%

Version: RGB Backlight Aluminum

Version: RGB Backlight Aluminum
RGB Backlight Aluminum

Switch Type: Low Profile Gateron Mechanical

Switch Type: Low Profile Gateron Mechanical
Low Profile Gateron Mechanical

Switch: Red

Switch: Red
HK$799 HK$679 SAVE 15%

The K5 has included keycaps for both Windows and Mac operating systems.

A Full Size Ultra-slim Wireless Mechanical Keyboard

Keychron K1 ultra-slim wireless mechanical keyboard for Mac Windows 87 keys - Gateron low profile mechanical switch RGB backlight

Comes with low profile mechanical switches and hot-swappable optical switches for a superior typing experience on the full-sized, minimalistic K5 mechanical keyboard.



Measuring at 18mm thin, the K5’s thin aluminum body has a slight incline at the base to provide maximum ergonomic support. Compared to other mechanical keyboards, it requires less force, less travel distance to reduce finger fatigue, and provides more typing comfortability.

Keychron K1 ultra-slim wireless mechanical keyboard for Mac Windows 104 keys - Gateron low profile mechanical switch RGB backlight

Compatible with All Devices

With just a slide of a button on the side panel, you can multitask without missing a beat by connecting the K5 with up to 3 devices via Bluetooth 5.1 and switch between your laptop, tablet and phone seamlessly. You can also connect the K5 to your computer with a type-c cable.

K5 Layout

Compatible for both macOS and Windows. Keychron is one of only a few in the market that comes with a Mac multimedia keys layout for Mac enthusiasts (Check high-res keycap layout and size here). 

Full Size

Comes with a 104 key full size layout included number pad that offers convenient access to all the essential keys* for Mac and Windows included the dedicated Screenshot Key, Siri (Cortana) Key.
*Num Lock works with Windows OS only.

Mechanical Or Optical?

Available in Gateron mechanical and Keychron optical low profile switch to elevate the typing experience with a more slimmer and subtle look, the K5 provides an excellent typing performance, whether you prefer linear (Red), clicky (Blue), or something in between (Brown, Banana, Mint).

Low-Profile Mechanical

Durable and ultra-slim low profile Gateron Mechanical switch with a 50 million keystroke lifespan to provide an unrivaled tactile responsiveness. K5 was designed to boost your productivity yet meets your desktop aesthetics perfectly. Classic clicky tactile or quicker response, for office or personal gaming, the Gateron low profile is the way to choose.

Keychron K3 ultra_slim Hot_swappable wireless mechanical keyboard Mac Windows iOS Android Keychron Gateron low profile mechanical red blue brownswitch

Low-Profile Optical

With the MX-styled stem housing and 0.2 ms ultra-low latency, these light actuated switches are crafted for typists or gamers who want to type at lightning speed with a 70 million lifespan much greater than industry standards.

Keychron low profile Optical red blue brown Banana Mint switches

The Banana and Mint switches comes with an early tactile bump of every downstroke like those Panda switches, that’s the main difference between the Banana/Mint and the Brown switch.

*Low Profile Keychron Optical version keyboards is NOT compatible with any Low Profile Gateron mechanical switch, vice versa.


You can easily hot-swap every low profile Optical switch in a few seconds to customize your typing experience on the K5 without soldering.

*Hot-swappable feature is available for low profile Keychron Optical switch version only.
*Low Profile Keychron Optical and Low Profile Gateron mechanical version keyboards are NOT compatible with any normal profile mx style mechanical switch.



Color: Black 
Number of Keys: 104 keys
Switches: Low Profile Gateron Mechanical / Keychron Optical Switch 
Number of Multimedia Keys: 12 
Main Body Material: Aircraft-grade aluminum 
Keycap Material: ABS
Layout: ANSI
Polling Rate (Wired Mode): 1000 Hz
Polling Rate (Wireless Mode): 90 Hz


Backlit Types: 18
Backlit: Adjustable 4-level RGB backlit
System: Windows/Android/Mac/iOS
Battery: 2000mAh Rechargeable li-polymer battery
BT Working Time: Up to 190 hours (Lab test result may vary by actual use)
BT Working Time: Up to 110 hours (Lab test result may vary by actual use)
BT Working Time (White backlit): Up to 36 hours (Lab test result may vary by actual use)
BT Working Time(RGB): Up to 38 hours (Lab test result may vary by actual use)
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K5


Dimension: 435 x 120 mm
Weight: About 770 g / 1.69 lbs
Height incl. keycap (front): 17 mm
Height incl. keycap (rear): 22 mm
Operating Environment: -10 to 50℃


1 x Keyboard
1 x USB-A to USB Type-C Cable
1 x Keycap Puller
1 x User Manual