Evoluent VerticalMouse4 VM4SW Small Ergonomic mouse Radio Optical Brown 6 Buttons 2800 dpi Ergonomic

Avoids forearm twisting for comfort and good health

The patented shape supports your hand in an upright neutral posture that generally avoids forearm twisting. Many users, including medical doctors, ergonomists and physical therapists, said the Evoluent VerticalMouse provides superior comfort and even relieved their wrist pain.