iShockx is USB Digital/Analog Game Controller for Mac & PC.System RequirementsMac OS X 10.4 to 10.5 or laterWindows XP/VistaAny desktop or notebook computer with USB port CD-ROM drive and 128 MB of RAM availableFeatures Dual shock feedback motors - the gamepad brings you the thrilling experience of every hit explosion and crash USB controller with precise and lightning-quick response. Control the action with 4 axis 12 buttons with D-Pad two analog sticks Turbo Fire button and Mode selector. Easy to install and use with your favorite games. Ergonomically designed with rubber body to provide smooth and comfortable grip* Vibration/shock function is activated by the driver and controlled by game software