Evoluent Vertical Mouse 4,Mac,Med/Lg Right Hand

The Evoluent Vertical Mouse 4 Mac Right Hand Mouse VM4RM provides an excellent ergonomic solution for keeping your hand in an upright neutral posture that generally avoids forearm twisting caused by standard mice. Designed to keep your hand in a relaxed handshake position, programmable buttons, adjustable pointer speed, and a contoured design that fits your natural hand shape.