This USB Port Replicator is your docking station for your PC or laptop. With high performance video controller, DVD playback and an additional screen. VGA and DVI-D video out. 24-bit color and up to 1920x1200 resolution, with the possible use of up to 3 monitors. And you can charge from your USB ports even if your PC is off. There's a dedicated button to un-dock. There are 6 USB 2.0 ports available and 1 Ethernet LAN connection. Analog line-out MIC In and Headphone Out. You can also charge your iPOD.