Reliable performance day after day 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 will help keep you on task with accurate 1000 DPI optical tracking. Comfort that lasts Designed for comfortable use over extended periods of time, the Dell Optical Mouse is your desktop partner. Shaped and sized to fit the contours of your hand with 2 buttons and a scroll wheel, the Dell Optical Mouse makes it easy to navigate through on–screen projects. Compatible with practically any system The Dell Optical Mouse is compatible with almost any system that has a USB port. Use one mouse in the office and keep another at home. Plug and play convenience Simply plug the Dell Optical Mouse into any available USB port and get to work–it's that easy. At home or in the office The Dell Optical Mouse is the perfect choice for either home or office use–wherever reliability, comfort and convenience are objectives.