2 x 1 USB Peripheral Switch gives multiple computers access to a single USB 1.1-compliant device, such as a printer, camera, scanner or an external storage device. Easy-to-use switching software gives you immediate access to your USB device. Once connected, your device stays available to all connected computers, eliminating the need for you to unplug and reconnect it to another computer. Switch is compatible with Windows 98, 98SE, ME, 2000, XP and Mac Os X. Not compatible with Mac OS10.3.x.