Evoluent Vertical Mouse 4

An ordinary horizontal mouse requires your forearm to twist away from its natural position, which can cause painful injuries in the long term.The VerticalMouse 4's design has been flipped sideways to encourage the hand into a handshake position, which avoids forearm twisting for better comfort and good health. Many users, including medical doctors, ergonomists and physical therapists have said the Evoluent VerticalMouse provides superior comfort and even relieved wrist pain.

The options are: Wired right-hand version, wired left-hand version, wireless right-hand version, wireless left-hand version