Optical 3-button mouse with high-resolution 1,000 dpi for smooth cursor control. The Logitech Mouse M90 offers everything you need for comfortable and reliable control of your computer. This mouse has been developed by Logitech's mouse experts and is based on the quality and design experience gained from producing over a billion mice. Installation is quick and easy, with no software required. Simply plug the wired mouse into a USB port, and you can start using it right away. Thanks to its standard size shape for both right and left-handed users, it fits comfortably in either hand, allowing for a relaxed grip. The mouse features high-resolution optical tracking at 1,000 dpi, enabling smooth and precise cursor control and easy text selection.