IndeMouse is a mouse or track ball interface designed for use by individuals with arthritis, carpal tunnel syndrome, cerebral palsy, or fine motor, neurological, or upper extremity disabilities. This USB device translates movements of a pointing device, such as a mouse or track ball (not included), into mouse functions such as click, double-click, or drag. It can be used by individuals who are able to move a pointing device but who have difficulty clicking a button or holding one down. This plug-and-play system comes with a display unit, four Velcro tabs, a USB cable, and a control module. POWER: Uses an alternating current (AC) adapter (included). COMPATIBILITY: For use on IBM or compatible computers or on Apple Macintosh computers. SYSTEM REQUIREMENTS: USB port and mouse or trackball.