4013 button patch mi...

Model：4.0mm diameter

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4015 mic pin back po...

Model：4.0mm diameter

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4015 mic head weldin...

Model：4.0mm diameter

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4015 microphone high...

Model：4.0mm diameter

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4013 SMT high temper...

Model：4.0mm diameter

4013 SMT high temperature TWS headset intelligent voice microphone microphone

4015 microphone weld...

Model：4.0mm diameter

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High temperature res...

Model：4.0mm diameter

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