FosPower (1 Pack) 3.5mm Male to Female Auxiliary Stereo Audio Headphone Jack AUX Adapter [4-Conductor TRRS | 24K Gold Plated Plug] for iPhone, Smartphones, Tablets, Speakers, Microphone & Card Readers Connectors: 1 TRRS mini-stereo (3.5mm) male to TRRS mini-stereo (3.5mm) female Audio Headphone Jack Extender Adapter Ultra-slim audio jack adapter extends the reach of any 3.5mm (1/8) cable/plug through THICK mobile device cases. 24k gold plated connectors resist corrosion and reduce tarnish Works with any device with a 3.5mm headphone jack including headset with microphone, credit card readers such as Square Readers, PayPal, car, office or home audio system. Also compatible with voice commands such as "Siri" and "Ok Google".