This Mini-Optical Mouse with retractable USB cord from Belkin provides a compact input solution for the mobile user. It moves and packs easily, allowing you to take it on the road and use it anywhere you use your laptop with true Plug-and-Play convenience. With built-in optical technology, the Mouse works on virtually any surface, tracking every motion with digital accuracy. The retractable cord provides hassle-free storage on the road and easily adjusts to the desired length.