Optical travel mouse works on any computer with a USB port. The ultra-portable design takes up little space & is perfect for notebook users. No need to wrap the cord around the mouse or deal with a tangled cord, the optical travel mouse features a convenient retractable USB cable. On a plane or in a car, plug this mini mouse into your USB port & start dragging & dropping files. Portable mouse offers a USB 2.0 interface (also compatible with USB 1.1 ports) & is compatible with Windows 98, ME, XP, 2000, & Vista.