Montblanc "MB 01" headphones in metal and leather. Features a proximity sensor that automatically plays/pauses audio when putting on/removing headphones. Includes carrying pouch, jack cable, USB cable, and airline adapter. Left- and right-ear indicators on inside of ear cushion. Ear cushions fold in for easy storage. Active noise cancellation button. Assistant button. On/off switch. Pause/next/previous button. Volume buttons. Adjustable fit. One size fits most.