Optical tracking technology for superior cursor control and accuracy, 40mm ball is designed as a perfect sphere to provide exceptional precision, Compact footprint takes up less desk space than you d need to operate a mouse, ambidextrous design, plug & Play installation via a wired USB connection, PC and Mac compatible. Claim a free Leitz Z1000 Air Purifier when you spend over 100 on selected Kensington & Leitz Ergonomic products until 30th September 2023 Terms & Conditions apply, to claim please register online here. 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 combinatio