Digitus USB 2.0 Sharing Switch,2 Pc - 1 Device USB 2.0 Sharing Switch, 2 PC - 1 Device, HOT-Key Control, non Powered Win 7/Vista/XP; Mac OS 10.X Compatible to USB 1.1 and USB 2.0 interface Compliant with USB 2.0 specifications Keyboard hot-key switching between the devices / PCs No additional power supply required - power supply via USB Operating systems supported: Windows 7/ XP / Vista / MacOS 9 (MacOS 9.2.2 recommended) / MacOS X (MacOS 10.2.8 or MacOS 10.3 recommended)