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August 3, 2026
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SAFT & Product Principle
A：SAFT = Structured Acoustic Filtering Technology. Our proprietary passive acoustic core, built on precision-tuned acoustic geometry. Our ear plugs achieve selective filtering to reduce disruptive noise instead of fully blocking all sound.
A：All our products adopt pure physical resonance & wave interference design, no electronic components needed.
Sleep Earplugs
A：The SAFT hardware in Sleep creates transmission pathways for higher frequencies. However, actual audibility is affected by alarm volume, room acoustics, and your individual ear canal anatomy.
A：They attenuate disruptive ambient noise, including snoring, highway rumble and household hum.
A：Yes, The low-profile, flush-fit design helps reduce pillow pressure, with four tip sizes for a comfortable fit.
A：With regular cleaning and proper care, silicone tips can be reused long-term. Replace them if they become worn, torn or lose their fit.
Concert Pro Related
A：Flat full-frequency attenuation balances all audio bands without distorting bass or making vocals sound thin.
Usage & Maintenance
A：Silicone ear tips can be detached and cleaned. Wipe the filter cores with a damp cloth or alcohol pad.
A：All our earplugs are reusable, with no disposable parts required.
Shipping
A：We provide trackable, door-to-door shipping worldwide.
Good Headphones Make You Feel Different
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