ienza&reg; 3.5mm 4-Pole Male to 3.5mm 4-Pole Female Audio Jack Extender / Adapter Cable for iPhone 5/5s/6/6s and Android Smartphone Battery and Thick Protective Cases, ModelMETAL High quality audio jack adapter extender for battery cases or thick smartphone cases. Compatible with mophie Juice Pack Helium, Air, and Plus for iPhone 5/5s/6/6s, OtterBox, Trianium, mPow, Anker, Maxboost and similar battery cases. 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.