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 | Plug-and-play, no drivers required | 2. 4 GHz wireless with nano USB receiver that stowes inside the trackball when not in use | 2 year (Only valid if purchased through Kensington Authorized Resellers) | Optical tracking for superior cursor control |
Note: In case of Wireless mouse, the USB receiver will be provided inside or along with the mouse