For Sony Samsung Huawei Nokia Extra Bass in Ear Sports Earphones Headphones +Mic

Type: Piston In-Ear Earphone. Product type: Earphones & Headphones. 1Pc headphone. Speaker: 9 mm NdFeB speaker. Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa. Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone.

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