One Plug In, Multiple Expandability - Simply plug into multiple connectivity- Ergonomic design for comfortable typing and cooling efficiency- Compatible with Windows and Mac OS Shop Modal header One Plug In, Multiple Expandability The Universal Docking Station is an expansion unit designed for notebook which have extra connectivity demands. With only one USB port required, computer can easily connect to numerous devices. It’s compatible with USB 1.1, Windows OS and Mac OS. Moreover, a raised platform design provides comfort typing and improved notebook airflow for cooling. VGAAdds an extra VGA port for hook up to an additional display - PC monitor or TV. DVIDigital video connection extends high definition graphics to an extra display. USB 2.0 portAdds additional USB 2.0 ports for greater connectivity with extra devices and accessories. High power USBYou can never have enough USB ports - the most popular connection standard that charges up just about any device. EthernetGet one more broadband port for connection sharing, splitting or extending. Audio portProvides an additional audio jack for greater convenience. MIC portExtra mic port delivers greater voice possibilities and connectivity.