This AUX Extenders is made for iPhone, Android smartphone and tablets devices that come with 3.5mm (1/8 inch) headset audio jack to extend the reach of any 3.5mm headset or headphone. It is a handy gadget to work with any battery charger cases, juice pack and power bank with an audio jack opening with a diameter of at least 0.23 inches (5.8 mm), including MFi-certified battery cases for iPhones made by MobilePal, Anker, Mophie, or heavy duty cases by Lifeproof or Otterbox etc. Gold-plated connectors with pure copper provide maximum conductivity and corrosion-resisted. High-quality copper wire allows consistent signal between components. Compatible with volume control, and also with credit card readers for smart devices.

Package Content: 3 X Headphone Extender 3.5mm Audio Jack Extension Adapter - AUX Auxiliary Stereo Headset Connector Male to Female Metal Plug 4 Pole for iPhone Android Smartphone Battery Case
Made for devices with 3.5mm (1/8 inch) headset audio input; Compatible with volume control function and card readers
Ultra-slim audio jack adapter extends the reach of any 3.5mm AUX cable cord / wire plug through thick mobile device cases; Stylish made, durable with long life-span
Constructed with gold plated connectors which resist corrosion, reduce tarnish while high-quality copper ensures maximum conductivity and consistent signal between components
Engineered for easy grip when used as extension cable for battery charger cases or power banks
Ideal for battery charger cases, power cases, power banks, juice packs and heavy duty phone cases by LifeProof and OtterBox; Works with credit card readers such as Square Readers, PayPal and other applicates such as car, office or home audio system