MOXOM DYNAMIC EARPHONE TYPE C LX-EP810 Speaker Size:10mm Impedance:32Ω Frequency:50HZ-600HZ Sensitivity:106±3db Output Power（Max）:5MW Cable Length:1.2M MIC size：4013 omnidirectional Signal to Noise Ratio：≥60db MIC working voltage：2.5v MIC sensitivity：-42db MIC working current：220-450uA MIC frequency range：100-10KHZ