Trackball Mouse KMV64325

Diamond Eye optical technology is the most advanced cursor control technology available.  Using the Trackball mouse is the most effortless and natural way to scroll on a trackball-simply rotate the scroll ring for precise scrolling.  Contoured design conforms to the natural position of your hand.

• Scroll ring around trackball makes scrolling quick and easy
• Great momentum and vertically frictionless rotation
• One of the most eloquent designs of any input devices
• Largest ball of any mainstream consumer devices
• Width: 5.0″, Depth (front to back): 5.75″, Trackball Diameter: 2.17″, Height at peak of ball: 2.5″ (6.4 cm)