Tripp lute's u342-shg-001 is a compact, mini docking station that adds a HDMI or VGA video port, gigabit Ethernet LAN port, and USB 3.0 Port to your laptop, all through a single USB 3.0 Connection. Built-In USB cable tucks away for easy transport. Ideal for laptop users who need the ability to use their laptop in a desktop environment, while maintaining the ability to quickly unplug and go. Bus powered.no External power adapter required. Backward compatible to USB 1.1 And 2.0 Generations. Key features add a monitor, USB 3.0 Port, and gigabit Ethernet to your laptop portable design with built-in cable is perfect for travel, tucking into your laptop bag when not in use bus powered.no External power adapter required USB 3.0 Is 10 times faster than USB 2.0, Supporting data transfer rates up to 5 gaps backward compatible with USB 2.0 And 1.1 Connect a dvi, HDMI or VGA monitor or projector supports video resolutions up to 2048 x 1152 automatically resumes from hibernation and suspend modes gigabit Ethernet port supports true 10/100/1000 mbps network speeds a USB 3.0 Port is available for the connection of a USB peripheral device requires an HDMI to dvi adapter, such as Tripp lute's p566-series cables.