The Sony WM-EX 655 is a compact cassette player released by Sony as part of its line of Walkman products. This model is designed primarily for portability and convenience, featuring a lightweight body that makes it easy to carry around. It typically includes functionalities such as a digital display for track information, an auto-reverse feature allowing continuous playback on both sides of a cassette, and advanced sound technology to enhance audio quality. The device often comes with various EQ settings to let users adjust the sound profile according to their preferences. It also supports a long battery life, typically driven by AA batteries, which allows for extended listening time without frequent changes. The WM-EX 655 is well-regarded for its durable build and performance, making it suitable for users who appreciate the nostalgia of tape music and the reliability of Sony's engineering.