Expect nothing short of an outstanding value. Completely re-designed for a new generation of ThinkPads, snap into the ThinkPad Pro Dock with an included ThinkPad AC Adapter and get connected to power, your Local Area Network/Internet and workplace accessories such as up two external displays, keyboard, mouse and printer so you can get more done faster. One of the dock’s USB ports also supports always-on mobile device charging, which means that you can charge your mobile phone or tablet, even when your notebook is away. Our unique physical alignment guarantees perfect notebook-dock alignment every time. Comes with ThinkPad AC adapter to charge your notebook.3x USB 2.0, one supports always-on USB charging