The Logitech M500 features hyper-fast scrolling that lets you fly through long documents and Web pages with just a flick of a nearly frictionless scroll wheel. 1000 dpi laser precision outperforms optical mice. Experience smoother cursor control on virtually any surface. Soft side grips and a contoured design give you more support and control. Backward/Forward buttons let you move through Web pages and navigate your photo albums with ease. Plug-and-play USB works right out of the box?just plug it into your USB port