უსადენო კლავიატურა Keyboard Keychron B1 Pro, USB/WL/BT, space gray (B1P-K1) | Number of Keys: 77 (75%) Number of Multimedia Keys: 12 Body Material: ABS Keycap Material: ABS Layout: ANSI Polling Rate 1000 Hz (2.4 GHz & wired) / 90 Hz (Bluetooth) Backlight: Non-Backlit NKRO Support: No | Battery: 800 mAh (7.4Wh) rechargeable li-polymer battery (Nominal Charge Current: 3.7V) 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 | 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: 3.2