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Navigate with greater comfort and precision while saving valuable desktop space with the Kensington Orbit Optical Trackball. Its optical technology delivers precise cursor control with the touch of a finger while the two-button design provides an interface that's familiar to mouse users. Orbit Optical Trackball is backed by the Kensington 5-Year Warranty and free technical support.

Kensington Orbit Optical Trackball Mouse: The comfort and ease of a mouse - the benefits of an optical trackball. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning. Designed for PCs and Mac's, the Orbit Optical Trackball employs Kensington's Diamond Eye optical technology for smooth, precise cursor movement. Diamond Eye provides unmatched acceleration control, combined with ultra-high speed optical optical technology to produce the ultimate in precision and accuracy. Plus, the Trackball stays in one place, saves valuable desk space. Users tell us the Orbit Optical Trackball delivers great speed and tracking accuracy for the price. Compare the Kensington Orbit Optical Trackball Mouse to the Logitech Cordless Optical Trackman or Trackman Wheel or Microsoft Trackball Explorer. The Kensington Promise: 5 year warranty with free technical support. Requirements: PC-Windows 98, Me, 2000, or XP with USB port PC-Windows 95, 98, Me, NT, 2000, or XP with PS/2 compatible mouse port Macintosh with OS 10.1.5 or later USB Macintosh with OS 8 & 9, device will only function as a 1-button mouse Software: Not required for basic operation. Kensington MouseWorks - Free download available at www.kensington.com