The SONY MZ-E520 classic Walkman MD player features a unibody matte aluminum alloy ultra-thin design with a silver base accented by signature orange trim and a teardrop-shaped transparent viewing window, making it a popular choice among retro digital collectors. The device is equipped with a G-PROTECT long-lasting shockproof system and a 6-band adjustable equalizer digital amplifier chip. It supports TYPE-S audio decoding, track grouping, and is shockproof and stable for outdoor commuting. Multiple EQ settings cater to various music genres, including pop, classical, and rock, delivering detailed and nuanced sound quality. The back of the unit features a full set of orange physical control buttons, a HOLD lock lever to prevent accidental touches, and a dedicated wired headphone jack and charging port on the side. The MD tray hinge is sturdy and smooth, opening and closing without any sticking or rattling. The device shows normal signs of use and minor scratches. A separate battery is required. Earphones and a carrying bag are included.