Number of Keys: 84 (75%) 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 K3 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: 1550 mAh rechargeable li-polymer battery Wireless Working Time (Backlit off): Up to 78 hours (Lab test result may vary by actual use) Wireless Working Time (RGB): Up to 40 hours (Lowest brightness) Connection: 2.4 GHz / Bluetooth / Type-C wired Bluetooth version: 5.1 Bluetooth Device Name: Keychron K3 Max Compatible System: macOS / Windows / Linux
PHYSICAL UNIT
Dimension: 306 x 116 mm (12.04 x 4.56") Weight: 525 g / 1.16 lbs Height without keycap (front): 11 mm (0.43") Height without keycap (rear): 15 mm (0.59") Height incl. keycap (front): 17 mm (0.66") Height incl. keycap (rear): 22 mm (0.86") Typing Angle: 2.5º, 4.2º and 6.5º MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash) Operating Environment: -10 to 50℃