Earphone wire

The utility model discloses a variable color earphone wire and relates to the technical field of earphone wires. The earphone wire comprises an earphone plug head, a main wire which is connected with the earphone plug head, and at least two auxiliary wires. The auxiliary wires are connected to the tail end of the main wire through a plug body, each of the main wire and the auxiliary wires is provided with an outer surface layer which is mainly made of a thermoplastic elastomer, and the inner part of the outer surface of the main wire is provided with at least three core wires; each core wire consists of an optical fiber wire, a first protection layer which is wrapped around the outer part of the optical fiber wire and a guide tube arranged outside the first protection layer; a second protection layer is wrapped around the outer part of the guide tube. The beneficial effects of the earphone wire are that the outer surface of the earphone wire can change in color shade along with sunlight intensity changes, bright spots of an original earphone wire are added, and personality demands are added when electronic products are selected by personality users. The earphone wire is unique and compact in inner structure, the inner structure of the earphone wire is not affected when the earphone wire is bent for a plurality of times, and the earphone wire is prolonged in service life.