The Kensington USB Mini Dock with Ethernet gives you quick access to your peripherals and the Internet. Simply plug the USB cable into your notebook and youre instantly connected to your keyboard, mouse, printer, and even broadband Internet. Compatible with computers running Windows XP and Windows Vista or later; Mac OS X 10.4 and 10.5 or later. 3 USB 2.0 ports, 1 Ethernet port (10/100mbps). Wall power adapter included.