The Sony WM-EX522 is a compact and portable cassette player that was released during the late 1990s. This model features a sleek design, making it easy to carry and use on the go. It is equipped with advanced features for its time, including Dolby noise reduction, which helps to enhance audio playback quality by reducing background noise. The player supports normal, chrome, and metal tape types, providing versatility for various cassette formats. With a clear LCD display, users can easily navigate tracks and settings. The device is powered by two AA batteries, offering a decent playback time. Additionally, it includes a headphone jack and has a durable build, ensuring reliable performance in different environments. Its lightweight nature and ergonomic design make it a practical choice for music enthusiasts who enjoy listening to cassettes away from home.