A wireless interpreter is a compact and lightweight device that offers multilingual voice guiding services at attractions, museums, exhibition halls, and similar venues. Its introduction not only allows tour guides to deeply convey the history, culture, and customs of the sights to visitors but also enables tourists to freely enjoy the attractions without worrying about missing the guide's explanations. Additionally, wireless interpreters come with many other advantages. For instance, they can connect to multiple devices simultaneously, ensuring that even in large tour groups, each visitor can use the interpreter independently without interference. They also support language switching, making them convenient for international tourists.