3018 Detachable Bluetooth 3.0 Aluminum Alloy Keyboard + Imitation Cloth Texture Leather Tablet Case for iPad Air / Air 2 / iPad Pro 9.7 inch, with Sleep / Water Repellent Function(Black)

1. Bluetooth version 3.0 2. Effective distance within 10m 3. Lithium battery capacity: 250mAh 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