Features: Compatible with IOS, Android, PC system. Bluetooth 3.0, long distances for use, up to 2-10m long distances for use. Built-in 3.7V 180mA rechargeable lithium battery, continuously work 40 hours. Play games, taking pictures, 3D games, E-books flip, universal bluetooth remote control handle. Be used as a remote controller to take photos or as a mobile phone tablet computer game controller gamepad.