Earphone Mic combo Microphone Mp3 Earphone

MP3 Earphone   Features VAT 42023 Frequency Range: 50Hz~20KHz Driver unit: Ndφ10mm Impedance: 32Ω Rated Power: 3mW Maximum power input: 6mw Microphone Unit: 6*5 -58+/-3dB Ling length: about 90cm Plug Type: 3.5mmφStereo