T07B-AS Skin Feel Pen Slot Touch Pad Backlight Bluetooth Keyboard Leather Tablet Case For iPad 9.7 2018&2017 / Pro 9.7 / Air 2(Purple) Tag-Dust Plug Multi-function double ball head on

Multi-function double ball head on both ends with shoe adapter and 1/4 inch screw

General Compatible with HP:  ENVY X360 13

iPad Pro 11/12

downward compatible USB 2

T07B-AS Skin Feel Pen Slot Touch Pad Backlight Bluetooth Keyboard Leather Tablet Case For iPad 9.7 2018&2017 / Pro 9.7 / Air 2(Purple) Tag-Dust Plug Multi-function double ball head on1. 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: 450mah 12. Sustainable working hours: 100 hours 13. Lithium battery life: 3 years 14. Button force: 80+ 10g 15. Button