Sanpyl 2.4G Wireless Keypad, Portable Keyboard for Android Remote Control 83-Key USB Mini Rechargeable Keyboard with Touchpad, HTPC Control

Specification: Item Type: Keyboard Features: Mini, Rechargeable Colour: Black System Support: For Android//Mac OS/ 2000/ 7/ Vista/ XP Interface: Wireless Frequency Range: 2.4GHz Working Voltage: 3.3V Working Time: 4 Hours Working Current: Less than 80mA Sleep Current: Less than 1mA Transmission Range: Approx. 10 Meters /33ft Power: Lithium-Ion Battery Package List: 1 x Keyboard 1 x Charging Cable 1 x Instruction Manual 1 x Receiver (Built-in) 1 x Battery (Built-in)