Universal Mini Bluetooth 3.0 keyboard Backlit - Operation range up to 10 m. Compatible with iOS, Android and Windows material: Aluminium and ABS. No keys: 64 multimedia functions. Scissor mechanism keys: Settings: QWERTY (English). Lithium battery capacity: 450 mAh battery life in use without lighting: up to 100 hours. Duration of the battery in use with Lighting: Up to 10 hours battery life in standby: up to 90 days. Time for full charge: between 5H and 3H operation voltage: 3.0 - 5.0 V. Energy Of Working: < 0.3mA Standby Power: < 0.1mA. Power Charging: > 200mA No. LED colors: 7