Evoluent Vertical Mouse 4 For Left-Hand

The Truly Ergonomic Mouse since 2002 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. USB 2.0 connectivity for a easy connection with Computer Left-handed design for a comfy grip