The USB-C Digital AV Multiport Adapter lets you connect your MacBook with USB-C port to an HDMI display, while also connecting a standard USB device and charging cable. The USB-C Digital AV Multiport Adapter allows you to mirror your MacBook display to your HDMI-enabled TV or display in up to 1080p HD. It also outputs video content like movies and captured video. Simply connect the adapter to the USB-C port on your MacBook and then to your TV or projector via an HDMI cable