Primary USB Opto-Mechanical Trackball with black body, multi-colored buttons and yellow globe. Middle button can be used for scroll lock or drag function Three buttons: left, middle and right Middle button can be used for scroll lock or drag function The X-keys O-Trac Trackball ...Primary USB Opto-Mechanical Trackball with black body, multi-colored buttons and yellow globe. Middle button can be used for scroll lock or drag function Three buttons: left, middle and right Middle button can be used for scroll lock or drag function The X-keys O-Trac Trackball contains a large, high-density trackball inside of a high impact ABS molded enclosure.
The enclosure is ergonomically designed to fit the contour of the hand which allows for no movement of your arm or wrist from side to side. The trackball accommodates both left and right-handers as well as hands of all sizes. The easy to use trackballs are suited for those with disabilities and physical handicaps.
The faster you turn the trackball, the faster the cursor will move across your screen! The large, high-density trackball paired with the stainless-steel rollers delivers a smooth-as-silk feel and effortless control. Laser tracking with adjustable resolutions of 400, 800 and 1600 DPI. True three buttons and allows for up to two additional external buttons.