The best trackball ever made just got better

Designed for pcs and mac’S, the new expert mouse employs kensington’S diamond eye optical technology for smooth, precise cursor
Surrounding the ball, our award winning scroll ring puts scrolling right at your fingertips
More comfortable than ever, the expert mouse even comes with a soft wrist rest
You get all of these great new features along with the same, large ball, exceptional control, and pr
5 year guarantee