Keychron K5 Max is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 100% layout through Keychron Launcher web app. Besides, it has included LSA (low profile spherical-angled) profile keycaps for both Windows and macOS, and users can hot-swap with Gateron low-profile MX mechanical switch in a breeze (for RGB Backlight Hot-Swappable Version only).




Specification:
Number of Keys |
108 (100%) |
Switches |
Gateron low-profile mechanical |
Switch Face |
North-facing |
Number of Multimedia Keys |
12 |
Frame Material |
ABS+Aluminum frame |
Keycap Material |
Low-profile double-shot PBT |
Layout |
ANSI |
Polling Rate (2.4GHz and Wired Mode) |
1000Hz |
Polling Rate (BT Mode) |
90Hz |
N-Key Rollover (NKRO) |
Yes for both wireless and wired modes |
*The K5 Max is currently compatible with Gateron/Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches. |
Connectivity and Power
Backlit |
22 types of RGB backlight options plus endless possibilities |
Battery |
2000 mAh rechargeable li-polymer battery |
Wireless Working Time (Backlit off) |
Around 95 hours (Lab test result may vary by actual use) |
Wireless Working Time (RGB) |
Around 50 hours (Lowest brightness) |
Connection |
2.4 GHz / Bluetooth / Type-C wired |
Bluetooth version |
5.1 |
Bluetooth Device Name |
Keychron K5 Max |
Compatible System |
macOS / Windows / Linux |
Physical Unit
Dimension |
424 mm x 119 mm (16.69 x 4.69") |
Weight |
720g / 1.59 lbs |
Height without keycap (front) |
7.8 mm (0.3") |
Height without keycap (rear) |
14.7 mm (0.58") |
Height incl. keycap (front) |
18.2 mm (0.72") |
Height incl. keycap (rear) |
23.5 mm (0.92") |
Typing Angle |
3.37º, 4.36º and 6.56º |
MCU |
ARM Cortex-M4 32-bit STM32F402 (256KB Flash) |
Operating Environment |
-10 to 50℃ |