Modelmarshall major materialaluminium metal genuine leather polycarbonate plastic typeheadband general usemobile phone cellphone functionwith microphone monitoring hi fi noise cancelling sports gaming fm radio volume control dj communicationwired connectors35mm 63mm memory capacitynone speaker sensitivitydb1213db at 1khz speaker frequency response20hz22k hz driver typemoving coil sound channel20 frequency20hz22k hz