3M EM550GPL Optical USB Ergonomic Wireless Mouse, 3 Buttons - Large, Black

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 can pronate the forearm and wrist and typically presses the wrist and carpal tunnel area against the desk.The 3M Ergonomic Mouse has earned an Ease-of-Use Commendation from the Arthritis Foundation for its patented, vertical g...