Turn your laptop into a desktop in one simple step with the Kensington Laptop Docking Station with Video & Ethernet sd 400v. Simply plug a single USB (Universal Serial Bus) cable into your laptop & you are instantly comfortable & connected to internet. Universal compatibility with all brands of laptops via USB: Acer®, Asus®, Compaq®, Dell®, Gateway®, HP®, IBM®, Lenovo®, Sony®, Toshiba® & more Auto install design makes the initial installation a true " Plug& Play" experience. No CD software required Perfect for office space shared with multiple users. Auto install supported for all PC running Windows 7, Windows® XP & Windows Vista® All the port connectivity you need including 10/100 Ethernet to maintain Internetconnection & avoid wireless hang-ups " Always-on" USB (Universal Serial Bus) ports charges your mobile devices even when your laptop is shut down Hot pluggable, so you can connect to the dock & swap devices without shutting down Mini tower design reduces desktop footprint HD screen capable so you can connect to a very large external monitor & drastically increase your visual workspace. Front Dual View button makes dual screen setup easy Front audio ports & back speaker port lets you connect both 2.1 stereo speakers & Internetchat headset Docking station will not provide power to your laptop, but provide connectivity to peripherals & network via a single USB (Universal Serial Bus) cable Audio: Front Audio ports (Audio in/out), Back Speaker port (Audio out) USB (Universal Serial Bus) ports: 5 USB (Universal Serial Bus) 2.0 & "always-on" Network: 10/100 Ethernet Kensington security slot means that you can secure your dock & its connected peripherals (Kensington lock sold separately)