The Dell Wireless Laser Mouse is a portable, stylish, precision mouse with a long battery life and comfortable design that help users get more out of their everyday computing tasks through accurate laser tracking, while helping to create a clutter-free workspace. The Dell Wireless Laser Mouse is your solution for a high-precision wireless experience, designed to help you get more done, in more places. The mouse also features laser tracking that helps for smooth tracking on almost any surface, and with the 2.4 GHz Nano dongle you'll have a reliable wireless connection.