Kensington Orbit Wireless Trackball Mouse with Touch Scroll Ring (K72352US),Black
Brand: Kensington
Color: Black
Optical tracking for superior cursor control
Unique touch scrolling — simply slide your finger around the outer ring of the trackball for effortless scrolling through web pages and long documents
Free downloadable KensingtonWorks software provides button customization
Ambidextrous design
Compatible with all Windows, macOS, and Chrome (OS 44 and later) computers