1* HDMI Output Port; 1* Standard USB 3.0 Ports; 1* USB-C Charging Port
Connect your USB-C or Thunderbolt 3 (USB-C) port from laptop to an HDMI display, while also connecting a standard USB device and a USB-C charging cable.
4K HDMI Video Output: Transmits high-definition audio and video from your laptop to your HDMI-enabled TV or display up to 1080p at 60Hz or UHD (3840 by 2160) at 30Hz. It also outputs video content like movies and captured video. Simply connect the adapter to a USB-C or Thunderbolt 3 (USB-C) port on your Mac and then to your TV or projector via an HDMI cable.
Instant Expansion Function: With USB 3.0 port to connect devices such as your mouse, keyboard, flash drive, printer or camera or a USB cable for syncing and charging your iPhone, iPad, iPod or other portable device.
Note: The Adapter is not compatible with the "G-Tech G-DRIVE mobile USB 3.0 Hard Drive" nor Apple USB Superdrive