Avoids forearm twisting for comfort and good health.
The Evoluent patented shape supports your hand in an upright neutral posture that generally avoids forearm twisting. The latest generation in the Evoluent series
Adjustable pointer speed
Five buttons, can be individually programmed through the Evoluent Mouse Manager
An extra wide lip along the bottom edge prevents the last finger from rubbing the desk
Suitable for hands that are less than 178mm from the tip of the middle finger to the wrist crease
If hand is larger than 178mm, then the Evoluent Right Hand Wireless would be more appropriate