Wired customized metal earphone with mic

Specification
Speaker: 10mm dynamic
Impedance: 16-32 Ohms
Sensitivity:105dB+/-3dB
Frequency: 50Hz-20kHz
Max input power: 5mW
Wire length: 1.2m
Splice: 3.5mm Stereo plug, metal housing, TPE wire
Features: waterproof grade: IP8, exclusive patent, clear sound