Product Type: Bluetooth Keyboard and Bluetooth Mouse Set Keyboard Size: 10 Inch Color: Black, Yellow Package List: 1BluetoothKeybaord 1Bluetooth Mouse Keyboard parameter: 1. Compliant with Bluetooth 3.0+HS standard 2. The use distance can reach 10M. 3. Modulation mode: 2.4GHZ 4. Working voltage: 3-5V 5. Charging current100mA. 6. Button life can reach 5 million times.