Use a higher quality headset with your Compatible iPhone or smartphone
Convert two 3.5mm (1/8 inch) plugs to single Smartphone 3.5mm plug (TRRS)
Works with 3.5mm jack on Compatible Apple, Android, Blackberry, Windows, or other Smartphones
Reduce Electromagnetic Radiation (EMR) caused by cell phones and bluetooth headsets
Crystal clear stereo sound, 100% guaranteed