A comfortable plug-and-play mouse with built-in quality and optical precision. Comfortable, ambidextrous design The comfortable, lower-profile shape feels good in either handeven after a long day of work. 800 dpi optical precision Youll enjoy smooth, precise cursor control that lets you edit documents and navigate the Web more efficiently. Zero setup It works right out of the boxyou just plug it into your USB port and youre ready for business. Built by Logitech This mouse comes with the quality and design weve built into more than a billion mice, more than any other manufacturer.