Monster iSoniTalk Microphone Headphone Adapter for iPhone - Microphone with Headphone Jack (Discontinued by Manufacturer) Use Any High Quality Headphones With Hands-Free Calling and Music Playback Take iPhone calls and listen to music with any headphones. Compatible with virtually alll headphones so you can have better iPhone audio quality. Specifically designed to be compatible with iPhone recessed headphone jack. Easy one-button control lets you take calls and pause and play music.