The Sony MZ-E20 is a portable MiniDisc player that was first introduced in the late 1990s. It features a compact and stylish design, making it a preferable choice for users who value both portability and aesthetics. With a weight of approximately 140 grams, it is lightweight and easy to carry. The MZ-E20 is equipped with a built-in rechargeable battery that offers up to 10 hours of playback time on a full charge. It supports a variety of audio formats and includes features such as LCD display for track information, a 3.5mm headphone jack, and a hold switch to prevent accidental operation. The device can record directly from a CD, allowing users to create their own MiniDiscs easily. The device has a maximum storage capacity up to 90 minutes on a standard MiniDisc.