Brand HP Color black Connectivity Technology Wireless Special Feature Wireless Movement Detection Technology Optical About this item Precisely right: 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. No strings attached: Roam free from wires or clutter with a 2.4 GHz wireless connection via simple dongle. Looks good, feels good: Elegant ergonomic design gives you allday comfort so you can get it all done. It feels so natural, you'll forget you're holding it Lefty or righty: Whether you're a righty, lefty, or bothy, this mouse is ready for however you click. Control the scroll: 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.