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.
The Evoluent Mouse VM4S Vertical4 Small is a USB 6-button trackball designed for business and IT professionals seeking an ergonomic input device. Its patented vertical shape supports a neutral hand posture, aiming to mitigate forearm twisting often associated with standard mice. This design is intended for users who require an alternative to traditional mice to enhance comfort during extended computer use. The VM4S features an adjustable laser sensor and an improved thumb rest, along with an extended lip to prevent finger rubbing. Pointer speed indicators and two thumb buttons are included for enhanced control.