MMM EM500GPS by 3M

This mouse's unique vertical grip keeps hand and arm in a neutral position, reducing pressure on wrist’s median nerve. Clinically proven to reduce discomfort associated with carpal tunnel syndrome. Features a programmable third button.

• Mouse Technology : Optical, Trackball

• Global Product Type : Mice

• Connector/Port : PS/2, USB

• Left/Right Hand Use : Right

• Buttons : 3, Programmable

• Wired/Wireless : Wired

• Color(s) : Graphite

• Operating System Compatibility : Mac®, Windows® 95, NT 4.0, 98