If you have an AirPlay-compatible TV or a streaming device ... if Wi-Fi is unavailable or unreliable. Plug the HDMI adapter ...

This means that while my Apple TV 4K and Nintendo Switch sit in ports one and two, the third HDMI 2.1-compatible port is taken up by my rapidly aging Polk Sound Bar because it features HDMI-CEC.

The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...

Adapters and cables that support HDMI 2.0 can output video from your iPhone at 4K resolution and 60Hz. The Apple USB-C Digital AV Multiport Adapter is compatible with iPhone. This adapter can output ...