Specifications:
Bluetooth version: 3.0
Lithium-ion battery capacity: 150 mAh
Working voltage: 3.7 V
Standby current: 0.25 mA
Working current: less than 3 mA
Touchpad working current: less than 8.63 mA
Working distance: less than 15 m
Button material: ABS
Keyboard layout: 64-key