The Promate Clix-8 is a next-generation wireless optical mouse that works on any surface thanks to its use of an 800/1200/1600 DPI optical sensor You can keep it in your hand even as you move away from your desk thanks to its wireless capabilities. It is lightweight, portable, and extremely accurate. It comes with a bundled nano USB receiver that offers a plug-and-play functionality and gives it a working range of up to 10 meters. The tiny receiver stays in your notebook or desktop without affecting other USB ports.