The thumb and pinkie finger fall into position over the left and right buttons with the remaining fingers centrally located above the trackball for cursor control. Users with small or average size hands can "drape" their hand over the body of the trackball and permit their hand to relax. Natural Hand Support: The body of the Orbit Trackball with Scroll Ring is shaped in such a way that it provides a natural support for the hand.Although low effort is required the ball still offers sufficient resistance, ensuring that users can retain a high level of control. The movement requires minimal effort so the load on the fingers is minimal. 40 mm Trackball: The 40 mm ball can easily be moved by users with any size of hand.Optical Tracking Technology: Optical Tracking ensures precision cursor control.
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