RK11A Backlight TPU Multi Color Light Bluetooth Keyboard Horizontal Flip Leather Tablet Case for iPad Pro 11 2020 / 2018 with Holder & Pen Slot(Red) Tag-Vibrating Motor A USB interface can be

A USB interface can be expanded to three USB interface

40HQ: 1563 cartons * 100 pcs = 156300 pcs

Charging port Micro USB

Function: audio signal transmission and transfer

40HQ: 3731 cartons * 390 pcs = 1455090 pcs

RK11A Backlight TPU Multi Color Light Bluetooth Keyboard Horizontal Flip Leather Tablet Case for iPad Pro 11 2020 / 2018 with Holder & Pen Slot(Red) Tag-Vibrating Motor A USB interface can be1. Bluetooth 3. 0 standard interface 2. Effective operating distance: 10 meters 3. Modulation mode: GFSK 4. Working voltage: 3. 7DVC 5. Working current: 5mA 6. Standby current: 1. 0mA 7. Sleep current: 0. 25mA 8. Charging current: 200mA 9. Standby time: 100 days 10. Charging time: 3 4 hours 11. Lithium battery capacity: 400mAh 12. Continuous working time: 100 hours 3 5 hours (when the light is on) 13. Lithium battery life: 3 years 14. Button force: