USB C to Display Port HDMI & DVI Adapter. It means that you can connect a device wiith a USB (Universal Serial Bus) C display source to a high definition Display Port HDMI or DVI display (TV sets projectors etc). It can work on Macbook or Google new Chromebook Pixel & other USB (Universal Serial Bus)-C supported devices. Note: Only one output can be used at once with the following priority sequence: Displayport HDMI DVI Features Supports Type-C to Display Port HDMI & DVI output Supports HDMI Resolution up to 4kx 2k@30HZ Supports DVI Resolution up to 1080P@60 Hz Supports Display Port Resolution up to 4k@60 Hz Supports plug & play USB (Universal Serial Bus) bus powered (no external power supply required)