Universal Docking Station with Ethernet sd120... One USB connection away from everything you need. Universal compatibility with all brands of laptops via USB: Acer, Asus, Compaq, Dell, Gateway, HP, IBM, Lenovo, Sony, Toshiba and more; (4) USB 2.0 ports on the back allow you to connect multiple USB devices such as a printer, mouse and keyboard, plus a convenient front USB port for external drives or USB charging; All the port connectivity you need including 10/100 ethernet to maintain internet connection and avoid wireless hang-ups. "Always-on" USB ports charges your mobile devices even when your laptop is shut down; Hot pluggable, so you can connect to the dock and swap devices without shutting down; Mini Tower design reduces desktop footprint, Kensington Security Slot allows you to secure your dock and its connected peripherals (via security cable and cablesaver); Front Audio ports and back speaker port lets you connect both 2.1 stereo speakers and internet chat headset; Attaches easily to the Kensington Universal Docking Station with Ethernet sd120 and should be used with an external keyboard and mouse (all sold separately); Docking station will not provide power to your laptop, but provide connectivity to peripherals via a single USB cable.