Expand your desktop with an external HDMI monitor using a USB-C or Thunderbolt 3 port. This cable adapter supports transmission of 4K Ultra HD resolution of up to 3840 x 2160 pixels. including audio signal.Very easy to use. you simply connect the cable adapter to a USB-C or a Thunderbolt 3 port on your computer. use the HDMI connector to connect it with a display and you’re all set. Drivers are installed automatically from the system.