Product Model : ORICO-SC2 Material : Engineering material Input interface : USB2.0 Output interface : Microphone interface, 4PIN Headset interface, Earphone Interface SNR : >=80dB Frequency Range : 15Hz - 25KHz Earphone indicator : Blue Microphone indicator : Red Light When Silence Other functions : Silence switch, Volume adjustment Supported System : Windows/Mac OS/Linux Cable length : 10cm