Modeluiisii u1 cable lengthcm12 materialaluminium metal silica gel rubber plastic typeearbud general usemobile phone cellphone functionwith microphone monitoring hi fi noise cancelling sports gaming fm radio volume control dj communicationwired connectors35mm speaker diameter10mm speaker sensitivitydb112db3db speaker frequency response20hz 20 000hz microphone impedancekohm22k microphone frequency response75 16 000hz driver typemoving coil sound channel2