Connect a Mac that has a Thunderbolt 3 (USB-C) or USB-C port to an HDMI display, while also charging your Mac and connecting to a USB-A device. iPad Pro models that have a USB-C port can also use this adapter. The USB-C DIGITAL AV MULTIPORT ADAPTER connects the following devices to a display that uses an HDMI cable : Mac that has a Thunderbolt 3 (USB-C) or USB-C port