BY-K3 is a phone jack TRRS to iPhone Lightning jack adapter cable, compatible with Apple iPhone, iPad, and iPod Touch devices with the Lightning connector.
OPTIMIZED FOR MICROPHONES: Connects a microphone or earbuds with a 3.5 mm TRRS (4-Pole) male output jack directly to your Lightning port on your iPhone, iPad, or iPod.
PRO TIP: When using this cable, be sure to unplug it before listening to the playback. If you don't, you will not hear anything. This Lightning dongle has been specifically created for microphones and delivers high-quality sound to your devices