Universal touch keyboard for tablet phones

Main material: selected ABS plastic materials, ABS buttons
Number of keys: 78 standard keys and touchpad
Bluetooth version: Broadcom chip Bluetooth 3.0
Built-in battery: polymer battery, charge for about 3-4 hours
Battery capacity: 290 mA
Working voltage: 3.0~5.0V
Standby time: 60 days
Use distance: 10 meters