Evoluent vertical mouse 4 small wireless VM4SW 632. Connection type: wireless. Movement detection: optical. Movement resolution: 2600 DPI. Ergonomic.

Evoluent VerticalMouse 4 Small Mouse - Laser - Wired VM4S Mice Ergonomic vertical mouse. 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 Vertical...