1) Features: 3 in 1 function: keyboard、 mouse and touchpad. Bluetooth connection makes you enjoy wide range wireless control. Real touchpad: ultra sensitive and multi-touch. Built-in rechargeable lithium battery、supports long time working. Silicone buttons、 more comfortable、input more quickly2) Specification Size: 148*65*8 mm Standby time: 173 days Battery Capacity: 250mAh Weight: 70g Material: ABS Working Distance: ¡Ü10m Charge voltaget: DC5V Charging Time: 1-2 hours Continual working time: 31 hours Keystrokes: 1 million times 3) Package content: 1* Bluetooth mini touchpad keyboard 1* USB charging cable、 1* User manual