Sony Walkman WM FX413 Portable Cassette Player (FM AM Radio Mega Bass) Tested and Working

Classic Sony Walkman WM-FX413 portable cassette tape player with digital FM/AM radio tuner in dark grey finish. Fully bench-tested and operational, perfect for cassette enthusiasts, retro tech collectors, or daily listening. 
Features and Specifications:
Bullet Playback and Audio: Auto-reverse cassette playback mechanism with anti-rolling technology for stable playback on the move. Includes Sony Mega Bass dynamic bass boost switch and AVLS (Automatic Volume Limiter System). 
Bullet Digital Tuner: Built-in FM/AM digital radio with 5 direct preset memory buttons and LCD display screen. 
Bullet Power and Belt Clip: Operates on standard 2x AA batteries or optional 3V DC input. Original Sony rear belt clip intact and secure. 
Condition and Maintenance:
Bullet Tape heads and pinch rollers thoroughly cleaned and demagnetized.
Bullet Casing detailed and polished with light vintage surface wear as shown in photos. 
Bullet Battery compartment clean and free of corrosion.
Dispatched fast in secure boutique protective packaging. Fully tracked shipping.