Mice

✅ [ Avoid Forearm Twisting ] 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.
✅ [ Comfortable and Easy to Use ] The shape is thoughtfully sculpted for uncompromised comfort and easy-to-reach programmable buttons. No finger contortions are needed to operate the buttons. An extra wide lip along the bottom edge prevents the last finger from rubbing the desk.
✅ [ Adjustable Pointer Speed With Indicators ] A button behind the wheel enables quickly changing the pointer speed …

Suitable for left and right handed users
Button for right and left handed use
5 buttons and scroll wheel
Operating system: WinXP
Vista. Suitable for left- and right-handed users, button for right- and left-handed use. 5 buttons and scroll wheel. Operating system: WinXP, Vista, Win7, Win8, OS X. Choose your tilt angle: mouse adjustable in 5 levels (left and right). Suitable for left and right handed users, button for right and left-handed use. 5 buttons and scroll wheel. Operating system operating system: winwinwinXP, Vista, Win7, Win8, OS X. Choose your tilt angle: mouse adjustable in 5 levels (left and right)