Black Logitech Wired Optical Mouse M90 USB 2.0: Original equipment Plug-and-play ease of use The Logitech Mouse M90 is easy to use and set up. No software needs to be installed. Additionally, because it is corded, you can use it immediately by simply plugging the cable into a USB port. Optical tracking with high definition (1000 DPI) Optical tracking in high definition (1000