Kensington

The best trackball ever developed hits the market. Designed for PCs and Macs, the USB Trackball Expert Mouse ® uses DiamondEye optical technology from Kensington to the great and accurate cursor movement. Around the sphere, we have our award-winning Scroll Ring ® which provides scrolling right at your fingertips. More comfortable than ever, the Expert Mouse ® even comes with a soft and comfortable to rest the wrist. You get all of these features, along with the ORB and exceptional ease-of-use that set the standard in this industry for more than 15 years.