A07B-AS Lambskin Pen Slot Touch Pad Backlight Bluetooth Keyboard Leather Tablet Case For iPad 9.7 2018&2017 / Pro 9.7 / Air 2(Blue) More iPhone Tempered Glass automatic matching fast charging without

automatic matching fast charging without burning

stable and not easy to fall off

android phones with OTG function

Good quality and long service life

the transmission speed is faster and more stable

A07B-AS Lambskin Pen Slot Touch Pad Backlight Bluetooth Keyboard Leather Tablet Case For iPad 9.7 2018&2017 / Pro 9.7 / Air 2(Blue) More iPhone Tempered Glass automatic matching fast charging without1. Bluetooth 3. 0 standard interface 2. Effective operating distance: 10 meters 3. Modulation method: GFSK 4. Working voltage: 3. 0 4. 2V 5. Working current: 2. 5mA 6. Standby current: 0. 3mA 7. Sleep current: 40uA 8. Charging current: 200mA 9. Standby time: about 100 days 10. Charging time: 3 4 hours 11. Lithium battery capacity: 200mah 12. Sustainable working hours: 100 hours 13. Lithium battery life: 3 years 14. Button force: 80+ 10g 15. Button