BlueTrace Compact USB Mouse in Black PC, Mac and Netbook compatible; Windows XP and later, Mac OS X v10.7, Mac OS X v 10.8 Small, compact design is perfect when space is limited - on an airplane tray, desk or in the office Avoid extra cable cluttering your workspace by adjusting the retractable cord to the desired length (extends to 2.5 feet) Blue Trace technology combines the power of optical technology with the precisions of laser for remarkable tracking on almost any surface including wood, granite, carpet and more The Targus Compact BlueTrace Mouse is the perfect solution for travelers who need to save space when using an external mouse. The integrated scroll button allows you to scroll up or down through spreadsheets or browse the internet. The Blue Trace technology combines the power of an optical mouse with the precision of a laser mouse for remarkable tracking on almost any surface. The retractable cord adjusts allowing users to choose the length needed to save space in compact work environments. Featuring a standard USB connection, the mouse is ready to work out of the box. The sleek black and gray design provides added style, while the contoured shape provides ergonomic support for left and right handed users. At only 3" long, the Targus Compact Mouse is small enough to conveniently carry in a laptop bag for comfortable mousing on the go.