Foldable and compact  Folds flat to ease travel， storage and protection. Full multimedia controls  volume + / -  mic  mute  on / off.  Detachable microphone  Removable if not needed - for just music listening.  The mic is highly sensitive and pick up sound with great clarity.  Pure USB connection  plug and play simplicity.  1 cable connection instead of the usual 2.  clear and interference free pure digital sound.