... -Thin Optical Mouse White for Laptop PC Features: 2.4GHz wireless transmission up to 10 meters operating distance.Auto frequency hopping ... office use. Specifications:RF Carrier: 2402-2480MHzRF operation channel: 16Operation range: 0-10mOperation systems: Windows 98, 2000, XP, Vista, Mac OS ... : WhiteMouse size: 115 x 58 x 23mm 10M 2.4G Wireless Ultra-Thin Optical Mouse White for Laptop PC