Number of Keys: 77 (75%) Number of Multimedia Keys: 12 Frame Material: ABS Keycap Material: ABS Layout: ANSI Polling Rate 1000 Hz (2.4 GHz & wired) / 90 Hz (Bluetooth) Backlight: Non-Backlit
CONNECTIVITY AND POWER
Battery: 800 mAh rechargeable li-polymer battery Wireless Working Time: Up to 8 months (Lab test result may vary by actual use) Charging Time: Around 2.5 hours Connection: 2.4 GHz / BT / Type-C Wired Bluetooth version: 5.2 Bluetooth Device Name: Keychron B1 Pro Compatible System: macOS / Windows / Linux
PHYSICAL UNIT
Dimension: 296 x 130 mm (11.65 x 5.11") Weight: 425 g / 0.94 lbs Height (front): 5.2 mm (0.2") Height (rear): 14.5 mm (0.57") Typing Angle: 3.2º MCU: NRF52840-QIAA-R_AQFN73 Operating Environment: -10 to 50℃