USB™ 3.0 Multi-AdapterThe JUA375 USB 3. 0 Multi Adapter provides extra connectivity from your computer with 5Gbps transfer speed. These pocket sized multi adapters allow you to add an additional USB computer peripheral, HDMI Monitor or Gigabit LAN through your USB port. With USB 3. 0 Multi Adapter, there is no need to open your computer to add an expensive graphics card. You can simply load the drivers, plug in the adapter to the USB port, then plug the HDMI monitor cable