Logitech Wired Optical Mouse M90 USB 2.0 - Black: From the manufacturerPlug-and-Play SimplicityLogitech Mouse M90 is simple to set up and use. There’s no software to install. And since it’s corded, you can just plug the cable into a USB port and use it right away.High-Definition Optical Tracking (1000 DPI)High-definition optical tracking (1000