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2026-11-09
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FiiO SK-M21C Cassette Tape Type
$19.80
$25.7399990081787
30% OFF
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100% Authentic Β· Money-back guarantee
Free Express Shipping Β· 2-5 day delivery
30-Day Free Returns
6-Month Quality Warranty
Product Details
Description
Specifications
Care Guide
Please note: This product is for the case only.
The M21 unit is not included.
It has been used very little.
Thank you for your understanding.
The SK-M21C is a specially developed and customized protective case in a cassette tape style.
When the M21 is attached, it automatically switches to a retro UI.
Furthermore, by turning on the retro sound EQ installed in the M21, the SK-M21C's design and the M21's sound will evoke nostalgia for the golden age of cassette tapes. When you remove the protective case, it seamlessly switches back to the original system, providing smart and comfortable operability.
γFeaturesγ
β Made with highly rigid and transparent polycarbonate material, balancing portability and visual appeal.
β Features a dedicated UI and EQ that allows you to re-experience the days of cassette tape playback (β»).
β Intuitive and easy attachment design, like inserting a cassette tape.
β Internal protective padding securely guards the unit from impacts and abrasion.
β»When the SK-M21C is attached to the M21, dedicated terminals make contact, enabling multifunctionality, volume adjustment, playback control, and track skipping. Touchscreen operation is disabled while attached, and operation is performed using physical buttons.
Category
Headphone Amplifier / Dac
Brand
FiiO
Condition
No noticeable scratches or marks
Shipping
Included in price (by seller)
From
Hiroshima
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.