Uiisii u4 in ear earbuds earphones with stereo sound noise isolating mic control for smartphone
Modeluiisii u4 cable lengthcm12 materialaluminium metal silica gel rubber plastic typein ear general usemobile phone cellphone functionmonitoring hi fi noise cancelling sports gaming 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 coil sound ch