Keychron K2 Max QMK Wireless Mechanical Keyboard Hot-Swap Aluminum Frame (US ANSI Layout) Super Brown Switch
SPECIFICATION
Number of Keys: 84 (75%) Switches: Keychron Super mechanical Switch Face: South-facing Number of Multimedia Keys: 12 Frame Material: ABS / ABS+Aluminum frame Keycap Material: Double-shot PBT Keycap Profile: OSA (OEM profile with spherical-angle) 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
CONNECTIVITY AND POWER
Backlit: 22 types of RGB backlight options plus endless possibilities Battery: 4000 mAh rechargeable li-polymer battery Wireless Working Time (Backlit off): Around 190 hours (Lab test result may vary by actual use) Wireless Working Time (RGB): Around 100 hours (Lowest brightness) Connection: 2.4 GH2/ Bluctooth/ Type C wired Bluetooth version: 5.1 Bluetooth Device Name: Keychron K2 Max Compatible System: macOS / Windows/ Linux
PHYSICAL UNIT
Dimension (Aluminum frame version): 316.62 x 126.56mm(1247x4.98") Weight: 1080g/2.38 lbs Height incl. keycap (front): 32.06 mm (1.26") Height incl. keycap (rear):41.54 mm (1.64") Typing Angle: 5° 9 and 12° MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash) Operating Environment: -10 to 50°C

Keychron K2 Max QMK Wireless Mechanical Keyboard Hot-Swap Aluminum Frame (US ANSI Layout) Super Brown Switch