Clix-7 Wireless Optical Mouse is an ergonomic and reliable wireless optical mouse. It features an 800/1200/1600 DPI optical sensor for better accuracy and a Nano USB receiver so tiny that you can plug into your laptop or computer and forget about it. The Clix-7 has a working range of up to 10 meters, which is great for home and office use. 10m Working Range Precision Tracking Plug & Play Nano Receiver Ergonomic Contoured Shape