Kensington 64325 Expert Mouse - Ultimate Trackball

There's an alternative to using a mouse. Use a ball for more precise cursor control. The best trackball ever made has just gotten better. Designed for PCS and Mac's, the new Expert Mouse employs Kensington's Diamond Eye Optical technology for smooth, precise cursor movement. Surrounding the ball, you'll find Kensington's award winning Scroll Ring that puts scrolling right at your fingertips. More comfortable than ever, the Expert Mouse even comes with a soft new wrist rest-right in the box! You get all of these great new features along with the same, large ball, exceptional control, and ease-of-use.
The Kensington 64325 Expert Mouse takes mouseing up to a completely different level. Considering all you do at your computer, this Ergonomic controller help make productivity, fun, and games more of what you want them to be.

Designed for PCs and Mac's, the new Expert Mouse employs Kensington's Diamond Eye optical technology for smooth, precise cursor movement.

Compatible for use with PC (Microsoft Windows 98 or later) or Macintosh (Apple MacOS X 10.0 or later) computer system

Easy and accurate scrolling with Scroll Ring

Wired USB cable