The Sony WM-FX473 is a compact cassette player released by Sony that integrates a radio tuner, effectively combining two functionalities into one portable device. This model is characterized by its sleek design and lightweight build, making it convenient for on-the-go listening. It supports various cassette formats and features such as auto-reverse, which allows the user to listen to both sides of a cassette without needing to manually flip it. The IF band radio tuner covers FM and AM bands, giving users access to a wide range of radio broadcasts. Additional features include a headphone output for personal listening and built-in speakers, enhancing versatility. The device typically operates on standard AA batteries, making it easy to power up for extended periods. It may also include various playback options such as play, pause, and stop functions. Overall, the Sony WM-FX473 represents a fusion of cassette technology with radio capabilities, embodying the era of portable audio devices.