Logitech(R) Corded TrackMan(R) Wheel

Thumb-operated TrackMan wheel combines reliable optical technology with an innovative scroll WebWheel for easy-scrolling access to your favorite Web sites. Get superior precision and accuracy with the conveniently-positioned small track ball. TrackMan wheel saves much-needed desk space. Compatible with PCs and USB-port Macintosh systems. Backed by Logitechs 5-year warranty.