ienza&reg; Premium Quality Ultra-Slim Headset Audio Jack Adapter Compatible with mophie Juice Pack Helium, Air and Plus and Other Battery Packs 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. Ultra-slim 3.5mm plug housing. ienza is a registered trademark. Use of the ienza trademark without the prior written consent of ienza, LLC. may constitute trademark infringement and unfair competition in violation of federal and state laws. ienza products are developed as cost-effective alternatives to OEM parts. They are not necessarily endorsed by the OEMs.