The MiniGlow Optical Mouse from Belkin provides a fun and compact input solution for the mobile user. It features attractive color-changing lights that glow brightly, day or night. Take it on the road easily and use it with optical precision on virtually any surface-anywhere you use your USB laptop. The optical technology allows the MiniGlow Optical Mouse to track every motion you make with digital accuracy. The Retractable cord provides hassle-free storage while on the road and easily adjusts to the desired length.