MMNNE 2Pack Metal 3.5mm (1/8") Male to Female Stereo Audio Headphone Jack Adapter 4-Conductor TRRS 24K Gold Plated Connector for Beats ,iPhones, Samsung,Tablets, Headphones & Card Readers Connectors: 1 TRRS mini-stereo (3.5mm) male to TRRS mini-stereo (3.5mm) female 24k GOLD PLATED CONNECTORS: Provides maximum conductivity and prevents corrosion; Allows consistent signal between components using high-quality copper. 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". VERSATILE: Made for devices with 3.5mm (1/8 inch) headset audio output, including iPhone and Android smartphones; Works with headsets and headphones with or without volume controls. Also supports 3.5mm credit card readers such as Square Readers and PayPal Here. Package included:2Pack metal 3.5mm male to female adapter;