Aigital Audio Adapter 3.5mm Male Plug to 2.5mm Female Converter Premium Quality Headphone Headset 3.5mm to 2.5mm Jack Stereo or Mono ?2 Pack?

Audio Adapter Type 3.5mm Male to 2.5mm Female connectors Simply plug the adapter into the phone's hands-free jack and plug the headset into the other end of the adapter for great stereo sound. Audio jack adapter that extends the reach of most 2.5mm cables/plugs for mobile devices, iPhone, iPod, MP3 player, CD player, smartphone, tablet or any with 2.5mm headphone jack Audio equipment with microphone, credit card - closed reader, headset for car, office or home audio system. Support microphone and volume control / play / pause / call / hang up function. Package 2 * gold plated 3.5mm plug to 2.5mm audio adapter