Kensington Mouse In A Box Wired 72358
Optical sensor for reliable mouse control without cleaning
•  Scroll wheel to speed through long documents and web pages
•  Comfortable, rounded shape for right or left-Handed users
•  Usb plug and play on both pcs and macs
•  Guaranteed dependability with extended 5 year guarantee
•  Compatible with windows 7, windows vista, windows xp, mac os x or later