Overall, I’m satisfied with the quality.
JUNK National 1900 Cassette Player - Operation Unconfirmed - Approx. 45 Years Old
Product Details
Portable player with FM/AM radio and cassette recorder functions.
- Brand: National
- Model Number: RZ-1900
- Functions: FM/AM Radio, Cassette Recorder
- Operation Buttons: Play, Record, Stop buttons
- Speaker: Built-in speaker
- External Connection: Earphone jack
Does not operate even with batteries inserted.
Thank you for looking.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




