Kensington Expert Wireless Trackball Mouse

Giving you the freedom to be super-productive without being limited by a USB cable. The trackball can be paired through Bluetooth 4.0 LE to save USB ports or connected via a USB nano receiver. TrackballWorks software offers incredible customisation and optical tracking technology provides smooth precise cursor control. Plus the award-winning scroll ring lets you quickly scan up and down web pages or long documents. Compatibility with Windows 10 8.1 8 7 and Mac OS X 10.8 and later.