Features Ergonomic design Ambidextrous design High resolution 1600 DPI sensor 3 buttons including 2D non-slip scroll wheel No driver or setup needed Boasting a simple ergonomic design, this mouse is very easy to use. Just plug-in the USB (Universal Serial Bus) cable & you’re good to go: no drivers, installation or setup needed. The high-performance 1600 DPI optical sensor offers a smooth & accurate mouse-pointer control, while the symmetrical design allows for ambidextrous use. What’s more, the non-slip mouse wheel provides amazing grip & precise navigation of websites & longer documents.