HIFIMAN Edition S Open/Close Back Fordable/Portable Headphone/Headset with in-line control &Travel Case-Black Open/Closed Back Design: Hifiman gives you the best of both worlds with an on-ear headphone that can go from one mode to the other simply by adding or removing the logo cap on the ear cup Ergonomic Design:Pressure is evenly distributed on the head assuring comfort IOS/Android In-line Cable: For added convenience, use Edition S with either an Android or IOS device. Volume and pause/play of the music.This cable is equipped with a microphone. Lightweight: Only 248g, and it can be worn comfortably for hours on end thanks to its lightweight design Foldable: Edition S can be easily folded and stored in its supplied travel case.Ideal for music lovers on the go