GameSir G2 Wireless Bluetooth 4.0 Android Gamepad Game Controller Joystick for Smartphone Tablet Support icade and Android native mode games. Lasts for 8 hours working time, bulid-in rechargeable battery. 32-bit MCU, Bluetooth 4.0, free of delay in commands. Pocket size, internal phone bracket, easy to carry. LED Backlights, bright in colors. Free App Happy Chickgame emulator brings you more authentic gaming experience, you can scan the QR Code in User Manual to install it.