Dell Optical Mouse MS116 (275-BBCB) The Dell Optical Mouse - MS116 features optical LED tracking and wired connectivity providing a stellar performance day after day. Improve your productivity at the office or at home The Dell Optical Mouse - MS116 features optical LED tracking and wired connectivity providing a stellar performance day after day. Improve your productivity at the office or at home Simply plug the Dell Optical Mouse into any available USB port and get to work-it's that easy.