Product function: USB interface(for USB 1.0 or 2.0)plug and play. Fully compatible with win vista/xp/2000/me system. Support Direct 7.0 above edition. Support Force feedback function of games. Product feature: Support the plug and play. Imitate the mode to convert with normal regulations mode auxiliary. 12 function keys satisfy your game action. The shape is special feeling comfortable the shocking function is strong. The reasonable human body construction design feeling is more comfortable. The rubberized and textured operation defend the sweat antiskid.