Orbit Wireless Trackball Mouse with Touch Scroll Ring (K72352US) Black

Optical tracking for superior cursor controlUnique touch scrolling ?? simply slide your finger around the outer ring of the trackball for effortless scrolling through web pages and long documentsFree downloadable KensingtonWorks software provides button customizationAmbidextrous designCompatible with all Windows macOS and Chrome (OS 44 and later) computersPlug-and-play no drivers required2. 4 GHz wireless with nano USB receiver that stowes inside the trackball when not in use2 year (Only valid if purchased through Kensington Authorized Resellers) Optical tracking for superior cursor controlNote: In case of Wireless mouse the USB receiver will be provided inside or along with the mouse