The Plugable smallest dock can drive an external HDMI display while having access to three USB ports and a wired Ethernet connection -- all through a single high-speed USB-C connection. Performance Meet Plugable's smallest USB-C docking station yet. The UD-CUBE. With this small laptop dock extend the connectivity and usability of your USB-C system with the mobile UD-CUBE that fits in the palm of your hand. Compatibility The portable docking station UD-CUBE is compatible with USB-C and Thunderbolt 3 equipped Windows, Mac and Chromebook systems that support Alt Mode video and acts as a port replicator stations multiple devices. Please see the System Requirements below for more details about exceptions. The UD-CUBE is not for charging your host system. Please see Power and Charging below for more details. System Requirements While most USB-C systems support at least a single display output over USB-C via Alt Mode (which converts through the HDMI port on the dock), not all USB-C ports are created equal. Please refer to your system manual to ensure that your USB-C port supports Alternate Mode (Alt Mode) video Power and Charging The docing station UD-CUBE does not provide Power Delivery over USB-C, i.e., it will not charge your host system. Your system may report that the system is charging or you may see a charging icon, but you must keep your original power adapter attached in order to charge your computer. In the Box Plugable UD-CUBE Mini Dock, USB 3.1 Type-C to Type-C Cable, Power Adapter (20W 5V/4A, UL60950-1), Quick Start Guide