The Simple Joystick is a joystick mouse emulator designed for use by individuals with upper extremity or fine motor disabilities who have difficulty using a standard mouse. This unit is a combination of a basic USB joystick with Joystick to Mouse software from Innovation Management Group. It enables the user to point and click in any Windows application just like a mouse, and can be programmed to remember up to four joystick button assignments including mouse functions, text, or macros automatically for each program. COMPATIBILITY: For use on IBM and compatible computers or Macintosh computers. SYSTEM REQUIREMENTS: Windows 7/Vista/XP/2000 operating system.