Supports 4 ways of music playback including bluetooth wireless audio with nfc 3 5mm aux in usb audio for pcmac and built in mp3 player lightweight headphone with comfortable leatherette ear padding built in microphone with noise suppression and hd voice support make conversation more natural powerful neodymium drivers paired with specially tuned acoustic rings deliver a well balanced audio the rings can be removed for extra bass comes with 6 pairs of bundled colourful neon acoustic rings