According to the operating instructions of the translation earphone, the translation earphone is a portable language translation device, which usually only needs to be worn by one person. The translation earphone is paired with terminal equipment such as translation equipment or mobile phone through wireless connection or wired connection, and the language is translated in real time and transmitted to the earphone. Therefore, only one person needs to wear translation headphones to translate the language, and it is not necessary for two people to wear them at the same time.