Driver : 50 mmImpedance : 20Sensitivity : 110Frequency : 20HZMic Size : 6.0 * 5.0 mmMic Sensitivity : 2.1 MDirectivitiy : Omni-directionalCable length : 2.1MLED working voltage : DC5VWorking current : u003c= 500mHeadset jack : USB+3.5mm 4 pinSingle LED light