T-201 Detachable Bluetooth 3.0 Ultra-thin Keyboard + Lambskin Texture Leather Tablet Case for iPad Air / Air 2 / iPad Pro 9.7 inch, Support Multi-angle Adjustment (Blue)

1.Bluetooth version 3.0 2.Effective distance within 10 meters 3.Lithium battery capacity: 250mA 4.Charging time is 2-3 hours 5.100 hours of sustainable working hours 6.Standby for 100 days 7.Working voltage: 3.0-4.2V 8.Working current: <2.5mA 9.Standby current: <0.3mA 10.Sleep current: <40uA 11.Charging current: >200mA 12.5 million button click life