Features 1.With ergonomic technology, it can make comfortable operation, which make children to play in the funny way. 2.It supports for Android 4.0 and above with OTG function mobile phones, set?top boxes, smart TVs, etc. 3.Supporting for WIN 98, ME, 2000, XP, Vista, free setting, it is easy to operate. 4.Vibration?free double rocker is with 2.4G wireless transmission technology, and there is no delay or radiation around 10 meters. In ergonomic design with strong feel for automatic connection, and it is with connection indication. 5.You can download the game simulator for TV or set?top box mobile phone, and it is free of settings, easy to operate. specificationItem Type: Gamepad Material: ABS Color: Black Support: For Android 4.0 and above with OTG function phone, set-top box, for smart TV, etc. Battery Model: 2 x AAA( not included) PackageList1 x Handle1 x Receiver1 x For Android Connector1 x Instruction Manual NoteBattery is not included.