Wired Ergonomic Mouse Large EM500GPL A better way to point and click Discover a mouse that helps reduce muscle strain while keeping your arms and shoulders in a more relaxed position. This mouse is clinically proven* to alleviate pain and discomfort of repetitive stress injuries in the hand, wrist or arm associated with the use of traditional mice - which requires forearm pronation and may cause pressure on the wrist and carpal tunnel area. The 3M™ Ergonomic Mouse has earned an Ease-of-Use Commendation from the Arthritis Foundation® for its patented, vertical grip design that keeps your hand and wrist at a neutral angle, while the mouse works as a regular optical mouse. Grip the handle and rest your hand on the base. Use your thumb to left and right click. For right-handed use. Features: USB/PS2 plug and play compatibility 6.5 ft. cord for flexible use Available in original black design 2-year warranty