. Control your cursor with a simple touch of the finger. The highly accurate Orbit Optical is as easy to use as a regular mouse, but it stays in one place saving you valuable desk space. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning. Optical trackball with medium sized ball and two mouse buttons. Cord Length 6ft. Metallic silver and black. PS/2 and USB connectivity (for PCs and USB Macs). Features. DiamondEye(TM) optical technology for precise tracking and cursor control. The comfort of a mouse and the fingertip control of a trackball. Uses less arm movement and desk space than a conventional mouse. USB and PS/2 connectivity for greater compatibility. .
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