• The USB-C HDMI Digital AV Multiport Adapter lets you connect your MacBook to an HDMI monitor projector display, while also connecting a standard USB device and a USB-C charging cable. This adapter allows you to mirror your MacBook display to your TV or display in up to 4K at 60Hz or UHD at 30Hz. It also outputs video content like movies and captured video. Use the standard USB port to connect devices such as your flash drive or camera or a USB cable for syncing and charging your iPhone, iPad, or iPod etc.