GreeGear Legend PG-9055 Adjustable Wireless Bluetooth Game Pad Controller Gamepad Joystick For Cellphone Tablet PC etc Bluetooth 3.0 wireless transmission can support 6-8 meters wide range of control from the operation. This product is a new wireless Bluetooth controller which supports different android/ ios/ PC games It can be used when connected with the Bluetooth mobile phone and without any drivers. User-friendly software designed to enter the power saving mode with no connection state. Built-in lithium battery (300mAh). After charging, it can be sustainable for 10 hours. Safe and stable.