Description:4 pins, 3.5mm jack audio connectorSoldering type,no need for washers or nuts anywayPCB mount for microphone, earphone, headphone,radio,audio,videoCan be used in Media Player, MP3/MP4 player,Audio-Video Equipment, AV Equipment, Note Book, Mobile Phone,Smart Phone, etcIn the Package: 20 x 3.5mm Audio Jack PCB Mount Connector.
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