What is the smaller port to the right of the HDMI port?

Lightning Digital AV Adapter

Lightning Digital AV Adapter

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2 Answers from the Community

  • Best Answer:

    It's a passthrough for a lightning cable so you can charge your phone while also using this adapter.

  • The Digital AV Adapter, has an HDMI and a Lighting connector port for charging the battery. If you use the HDMI connection, it will gradually drain your battery and that charging port charges it so your device will not die.