This adapter lets you connect devices that use a 3.5 mm audio plug to your Lightning devices
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The slim design of the latest iPhones® may not allow space for a 3.5mm jack, but we've got the solution. Let's bring it back - snag a Lightning port
Lightning® Connector to 3.5mm Headphone Jack Adapter
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USB-C to 3.5mm headphone hack dongle mini shootout. : r/headphones
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