Kensington Expert Mouse Wireless Ergonomic TrackBall for PC, Mac and Windows with Ambidextrous Design, Optical Tracking, Scroll Ring & 55 mm Ball Red (K72359WW)

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Dual Wireless Technology - The ultimate in wireless freedom, allowing you to connect either via Bluetooth 4.0 LE that allows you to save a valuable USB port or through a highly reliable 2.4 GHz USB nano receiver KensingtonWorks Customisation - Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 4 buttons, as well as adjusting cursor and scrolling speeds DiamondEye Optical Tracking - Movement detection technology provides smooth, precise cursor control so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency Scroll Ring and Large Ball - Spin the dial to move up and down web pages or documents with complete ease. The red ball has been specially designed with an absolute spherical, hard surface for precise tracking and control Ambidextrous Design - Works equally well for both right-handed and left-handed users to get the most out of their trackball Detachable Wrist Rest - Soft cushioning cradles the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer System requirements - Compatibility with USB receiver: Windows 10, 8.1, 8, 7 and Mac OS X 10.8 and later / Compatibility with Bluetooth 4.0 LE: Windows 10, 8.1 and Mac OS X 10.8 and later

123ink

The Kensington Expert Mouse trackball offers you comfort during your working day. This computer mouse reduces your hand and wrist movements while promoting productivity and efficiency. Thanks to the scroll ring and trackball, you can easily navigate through websites and documents. The mouse has 4 buttons, you can programme these as desired with the Kensington software. This computer accessory is suitable for left and right-handers and comes with a removable palm rest. As well as stocking the popular Canon, Brother, Epson and HP brands, amongst others, you can also opt for the 123ink compatible versions. Our own-brand ink cartridges and toner cartridges contain more ink than the original brands and will save you money! Not to mention that all of our 123ink products also come with a 100% lifetime guarantee. On top of selling printers and printer consumables, we also have tapes, labels, and an extensive range of office supplies.