Modelvjjb k4s cable lengthcm12 materialmetal silica gel wooden rubber plastic typein ear general usemobile phone cellphone functionmonitoring hi fi noise cancelling sports gaming fm radio volume control dj with microphone communicationwired connectors35mm speaker diameter10mm speaker sensitivitydb112db3db speaker frequency response20hz 20 000hz plug type35mm microphone impedancekohm22k microphone frequency response75 16 000hz driver typemoving iron sou