Charge your iPhone and simultaneously listen to music, all while using the same port. The adaptor has a built-in high-quality chipset that provides reliable speed transfer during charging and headphone usage. Additionally, we have reduced unwanted noise while utilizing digital noise reduction technology to create the most satisfactory headphone experience.
I use my iPhone 7 to listen to radio at night with an earbud adapter in order not to disturb my wife. This is the best I've found.