2pk 2.5mm Male to 3.5mm Female Audio Headphone Adapter Converter Extender 2 Pieces of Top Quality 2.5mm Male to 3.5mm Female Audio Headphone Adapter Converter Extender for iPhone 6, 6 Plus, 5S, 5C, 5, 4S, iPad Air, iPad Mini, Samsung Galaxy S6, S5, S4, S3, Note 4, Note 3, Nexus 4, HTC One, Nokia Lumia & other Smartphones or Tablets COMPATIBILITY - iPhone 6, 6 Plus, 5S, 5C, 5, 4S, iPad Air, iPad Mini, Samsung Galaxy S6, S5, S4, S3, Note 4, Note 3, Nexus 4, HTC One, Nokia Lumia & other Smartphones or Tablets STEREO & MONO - It's equipped with stereo and mono system capabilities to allow conversion between 2.5 mm devices and 3.5 mm headphones. FUNCTION - An audio jack converter cable adapter that has a 2.5 mm male pin and a 3.5 mm female output. This serves as a converter so you can use your headphones with 3.5 mm jack to devices that has 2.5 mm audio output. It has a cable to extend the length of the adapter for convenience when listening to music, charging and so on. CONNECTIVITY - Made with gold plated 4 pole pin connector to allow consistent signal between the device and the connected headphone. There will be no interruptions while listening to music or during phone calls.