Headset Audio Jack Adapter Compatible with Most Battery Cases Including mophie (Black) High quality audio jack adapter extender for battery cases or thick smartphone cases Compatible with mophie Juice Pack Helium, Air, and Plus for iPhone 5 Extends the reach of any 3.5mm audio cable. Slim housing design Ienza is a registered trademark. ienza products are developed as cost-effective alternatives to OEM parts. They are not necessarily endorsed by the OEMs.