In addition to connecting a standard USB device and a USB-C charging cable, the USB-C digital AV multiport adapter enables you to connect your USB-C enabled Mac or iPad to an HDMI display. You can use this adapter to mirror your Mac's screen to a TV or other display that supports HDMI. Just plug the adapter into a Thunderbolt 3 (USB-C) or USB-C port on your Mac or certain iPad models, and then use an HDMI cable (separately sold) to connect it to your TV or projector. Use a USB cable to sync and charge your iOS devices, or use the standard USB port to connect devices like your flash drive or camera. needs an HDMI cable, which is available for separate purchase, in order to connect to your TV or projector. Both audio and video output are supported.