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This 3.5mm 4-pole TRRS female jack features a solderless screw terminal design, allowing fast wiring without soldering. It supports stereo audio, microphone and video signal transmission, perfect for headphone port replacement, AUX interface repair and audio video DIY assembly. The solid construction ensures stable signal conduction and firm connection. Comes with 2 pieces per pack, great for electronic maintenance, home audio modification and daily spare use.