The ATH-AX1iS over-ear headphones feature 36mm drivers for optimal sound, generously cushioned ear pads for comfort during extended wear, and a fold-flat design that allows for easy storage. In-line mic, volume and track controls let you answer/end calls, play/pause/control music & videos and adjust volume with compatible smartphones and listening devices, all at the touch of a button. Music is your energy for life the fuel for your heart and soul. SonicFuel headphones are made specifically for active, daily use, to power you forward by delivering extraordinary comfort, style and an immersive listening experience that never sounds artificial, processed or filtered. Just pure sonic goodness for the high-octane tempo of your life.