Specifications:
Bluetooth-compatible version: Bluetooth-compatible 3.0
Bluetooth-compatible distance: about 10m
Battery capacity: 350mAh
Continuous working time: 35 hours
Standby time: about 100 days
Working voltage: 3.0-4.2V
Working current: <2.5mA
Standby current: <0.3mA
Sleep current: <40uA
Charging current: >200mA
Keystroke life: 5 million