The VROVA Universal USB 3. docking station (USB3DHDS) provides extra ports to the computer that has extra connectivity needs. Through the docking station you can extend the connection of a computer to more USB peripherals Ethernet network speaker and microphone using only one USB port on your computer.This docking station features built-in USB 3. ports which mean you can enjoy the super speed data transmission between USB peripherals. Besides this product is fully compliant with the USB 1.1/2. specification. Dual Display is other major feature of the product with the DVI and HDMIO port(s) you can connect more monitor LCD or projector. The connected monitor can be configured to either mirror your primary screen or extend the Window desktop allowing visibility of more applications at the same time. No more stacking windows within the confines of a single display.