Kensington Expert Mouse - Wireless Trackball

Designed for Surface
Kensington worked directly with Microsoft to provide professional-level solutions that look as good as they function, so you can work like a pro.
Dual Wireless Technology
The ultimate in wireless freedom, allowing you to connect either via Bluetooth® LE that allows you to save a valuable USB port or through a highly reliable 2.4GHz USB nano receiver.
KensingtonWorks™ Customization
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 ...