Wellsn Mini 2.4GHz Wireless Touchpad Mouse with Keyboard for PC (Black) International Version - Product may not include US Warranty With 92 keys on the 2.4GHz wireless keyboard and a touchpad, this device is equipped sufficiently to perform any command Due to the auto sleep function, the longevity of the battery life is conserved and used to its utmost efficiency The built-in highly sensitive, smart touchpad with a 360-degree flip design, ensures that operation is responsive and convenient Possesses a mini Qwerty keyboard with multimedia control keys and PC gaming control keys ensuring the flexibility of the device for a variety of usages. Simply uses 2 AAA batteries to power it.