The Kensington 72114 Pocket USB Mouse is a compact travel mouse for laptop users, with optical technology that lets you take precision on the road. The perfect solution for mobile professionals who are dissatisfied with the built-in input devices on their laptops, the Kensington 72114 features a compact shape that is comfortable for both right- and left-handed use, and comes with a travel bag that eliminates the problem of tangled cords. The Kensington 72114 also features DiamondEye optical technology that allows it to respond to even your fastest movements with accurate tracking on virtually any surface, and a USB connection for universal plug-and-play installation with both PCs and Macs alike. This mouse has two buttons and a scroll wheel, a four-foot connecting cord, and comes in a stylish silver-and-black color scheme that looks good with any laptop. This Kensington optical mouse works right out of the box without even requiring a reboot, with long-lasting reliability that is backed by a one-year manufacturer's warranty. The Kensington 72114 requires a PC running Windows 98, ME, 2000, or XP, or a Macintosh running Mac OS X or later, but will work with OS 8.1 as a one-button mouse.