The Sony WM-EX651 is a compact cassette player known for its portable design and high-quality audio playback capabilities. This model is part of Sony's Walkman series, which was especially popular during the late 90s and early 2000s. The WM-EX651 features a sleek and lightweight construction, making it ideal for on-the-go listening. Its design incorporates a front-loading cassette compartment, which allows for easy cassette insertion and removal. Additionally, the WM-EX651 includes a built-in radio tuner, offering FM and AM band options for users who enjoy live radio broadcasts. The player supports Dolby B noise reduction, enhancing sound clarity by minimizing tape hiss during playback. The device is powered by two AA batteries, providing a long battery life for extended listening sessions. Other notable features include a headphone jack, a battery level indicator, and various playback modes such as normal and repeat playback. With its combination of portability, durability, and solid audio performance, the Sony WM-EX651 remains a nostalgic choice for cassette enthusiasts and collectors.