Key Features of  E-GPV Gamepad 12 Fire Buttons USB Port Single Vibration Pad Built-in Motors Specifications of Enter E-GPV Gamepad (For PC) GENERAL SPECIFICATIONS Interface USB Name Enter E-GPV Gamepad Brand Enter Buttons 12 Category Gamepad Model E-GPV Weight 220 g Sales Package CD Type USB Warranty 1 Year Material Plastic OS Supported Windows 98, ME, 2000, XP, NT, Vista, Window 7 Platform PC Features USB 2.0 Interface with Backward Compatibility of USB 1.0, Ergonomic Shape, Comfort during Play, Built-in Motor, Vibration Function, 8-way Directional Single Buttons, 2 Analog Sticks, 12 Fire Buttons, Clear, Slow Special Function