Product Review

3 Pack Cell Phone Battery Charger Cases Headset Audio Jack Extender 3in Gold Plated

Compatible Android Devices Made for devices with 3.5mm (1/8 inch) headset audio jack, Compatible Android smartphones or tablets, to extend the reach of any 3.5mm headset or headphone.
Slim Long Head-End BarrelIts head-end barrel has a diameter of 0.225in (5.7mm), ideal for high-end battery charge cases and juice pack with an audio jack opening with a diameter of at least 0.23 in (5.8 mm), including MFi-certified battery cases made by MobilePal, Anker, Mophie, etc Gold-Plated Connectors with Pure Copper Its gold-plated connectors and contacts provide maximum conductivity and prevent corrosion. High-quality pure copper cable allows consistent signal between components.
Works with headsets with/without volume control, and also with credit card readers for smartphones, including Square Readers, PayPal credit card readers, Bank of America MobilePay readers, etc. (may not be compatible with Intuit QuickBooks GoPayment readers).