Does it drain the device's battery?

The lightning end leads me to believe that it would connect to the device's power source and lower the battery life quickly.

Lightning to 3.5 mm Headphone Jack Adapter

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1 Answer from the Community

  • I believe that any headphones need power to make sound, for example: input power; output sound
    The iPhone 7 won't make it use power any quicker than a headphone jack.

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