This adapter/converter will address the massive hurdle that Apple introduced when they took out the auxiliary port.
Allows you to use any headphones or earphone with 3.5mm jack through the iPhone charging port.
Works with all variations of the iPhone 7. Works with all variations of iPhone 5 and 6 as well, if you break your headphone port.
Note: Only supports audio output. This adapter will not work with iOS 10.3.