Beteran FIDUE A65 High-End Dynamic+Armature IEMS Hi-End In Ear HIFI Monitors DJ Studio Stereo Concert Music Earphones Headphone Earbuds For Mobile Phone iPhone Samsung MP3/4 Music Player (Gold/silver) Micro dynamic drivers with titanium composites provide wide and rich sound reproduction. Clean, clear, balanced, Hi-Fi sound quality. Universal microphone compatible for most of the smartphone. High quality silicone eartips, reduce 41% outside noise effectively Textured metal plug, robust construction & easy to pull out or plug in.