Evoluent VM4SW - Vertical Mouse 4 Small Right Handed Wireless

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.
Comfortable and easy to useThe shape is thoughtfully sculpted for uncompromised comfort and easy-to-reach programmable buttons. No finger contortions are needed to operate the buttons.