The ThinkPad USB 3.0 Pro Dock (40A7) is a professional, universal USB docking solution with fast USB 3.0 ports and digital video connections for quick and easy access to all the peripherals you use daily at your workplace. Simply connect a single USB 3.0 cable to your Lenovo PC, and you will have instant access to up to two external monitors, Gigabit Ethernet, headphones/speakers, USB printers, scanners, keyboard, mouse, and more for everyday use. The dock can also keep your mobile device charged via the USB port.