Features:
1. Human cochlear structure design, fit the auricle to prevent falling off
2. Nano silica gel + slow rebound earplugs, 2 different noise reduction methods
3. Filter + soft elastomer + sponge earplugs, triple noise reduction. Sound insulation increased by 60%
4. Can be washed and used repeatedly, healthy and hygienic. Environmentally friendly and durable
Packing list:
Earplugs*2+Storage Box*1
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