Kensington Orbit Wired Trackball with Scroll Ring

Scroll ring and medium ball - By turning the wheel, you can effortlessly scroll up or down in web pages or documents. The blue 40 mm ball has been specially designed with an absolutely round, hard surface for accurate tracking and precise control. Customization with TrackballWorks - By downloading the free software, you can make your user experience even more individual, as you can assign a variety of program functions to each of the two buttons. Optical Tracking Technology - Ensures precise cursor movement with maximum accuracy, allowing you to quickly control the desired screen position with less hand movements and thus work more productive and efficient. Removable wrist rest - Soft padding for hand and wrist for ergonomic comfort and hassle-free productivity even with extended computer use. Design for left and right handed users - the design is suitable for left and right handed users and allows optimal use of the trackball.