The Evoluent Vertical Mouse 4 avoids forearm twisting and prevents pain. The patented shape supports your hand in an upright neutral posture.

• Comfortable and easy to use shape
• Programmable buttons
• Bottom edge prevents finger from rubbing 
• Adjustable laser sensor speed

Specifications:
• Small Dimensions – 5.12” x 3.19” x 3.19”
• Regular Dimensions – 5.39” x 3.58” x 3.58”
• Compatibility: Mac, Windows, Linux