This accurate yet practical wireless mouse is designed to let you click quickly and stay productive all day, wherever you are. Always accurateWith an optical sensor with 1600 DPI, the mouse can work on virtually any surface and with fantastic accuracy. Put it in your bag with your laptop and you"re good to go. No commitmentsYou can roam without wires and clutter with a 2.4 GHz wireless connection via a simple dongle.