T-201D 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 / Backlight (Pink)

1. Bluetooth version 3.0 2. Effective distance within 10 meters 3. Lithium battery capacity: 450mAh 5. Charging time is 2-3 hours 6. Sustainable working hours of 250 hours (without backlighting) 7. Standby for 100 days 8. Working voltage: 3.0-4.2V 9. Working current: <2.5mA 10. Standby current: <0.3mA 11. Sleep current: <40uA 12. Charging current: >200mA 13. 5 million key click lives