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This is a can help you quickly identify your plug products. Today, with the development of science and technology, electricity technology is continuously increaseMore and more, at the same time, the plug is also more and more similar. When we pull out the power plug in the machine,。can not help but feel puzzled,This product according to the classified according to the color piece around jack's help us quickly identify your plug. Avoid the wrong plugEncounter awkward phenomenon. In their products at the same time increased the function of a security, beside the power switchDesigned a button, when we don't use jack, we press the button,。
Chengdu University of Technology