In general, they all work the same: the connector contains pins that go into ports on your video output device which transmit video, audio, and more over the wires in the middle.
在一般情况下，它们是构造是一样的：含有针的插头连接到传输视频音频输出端口，中间部分是线缆。
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USB cable. Car Audio signal lines, computer peripheral electronic connectors, peripheral connection cable connector and supporting more than 200 specifications of products.