With its 1600 DPI optical sensor, this mouse works on almost any surface with astounding accuracy. Stash it in your bag with your laptop and you'll be good to go.With its 1600 DPI optical sensor, this mouse works on almost any surface with astounding accuracy. Stash it in your bag with your laptop and you'll be good to go. Roam free from wires or clutter with a 2.4 GHz wireless connection via simple dongle. Elegant ergonomic design gives you all-day comfort so you can get it all done. It feels so natural, you'll forget you're holding it. Whether you're a righty, lefty, or bothy, this mouse is ready for however you click. Three buttons in one mouse. Left click, right click, or center click on the dual-function scroll wheel. You've got all the control you need in one fingertip.