The USB Type-C Charging Port does NOT support Data Transfer. The USB-C to HDMI Adapter (DP Altmode) with Type-C charging port allows you to connect an extra monitor so that you can watch videos or slideshows on the big screen, and the USB-C female charging port can charge for the host computer. It can work on Macbook or Google new Chromebook Pixel and other USB 3.1 Type C supported devices. The USB Type-C to USB-C to HDMI, DP