Designed for PCs and Macs, the Expert Optical Trackball employs Kensington's DiamondEye optical technology for smooth,... See more
(08/28/10) Designed for PCs and Macs, the Expert Optical Trackball employs Kensington's DiamondEye optical technology for smooth, precise cursor movement. Surrounding the ball, is a Scroll Ring that puts scrolling right at your fingertips. Expert Optical Trackball even comes with a soft wrist rest-right. See less
$70 new, $66 used from 210...
Kensingtons incredibly comfortable optical trackball, now in its seventh generation, features unmatched acceleration... See more
(08/28/10) Kensingtons incredibly comfortable optical trackball, now in its seventh generation, features unmatched acceleration control and high-speed optical technology. The easy-to-use rotating Scroll Ring pr See less
$98 new from 2 sellers
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