Kensington 64327EU Orbit Optical Trackball

Want to improve your productivity, increase cursor control and save desktop space? Look no further than a trackball from Kensington.
All Kensington Trackballs can be fully customised with Kensington TrackballWorks software to customise the functions of each of the buttons found on Kensington trackballs. The result is a more productive and truly personalized computing experience.
Set your preferred functions or keyboard shortcuts for each trackball button or combination of buttons, adjust the pointer speed and acceleration and do so much more.
Best of all, by allowing you to personalise your trackball experience, TrackballWorks makes your trackball work the way you do.