sleep earplugs hearing protection anti-noise men and women student only anti-snoring noise reduction soundproof sponge earplugs 睡眠耳塞听力防护防噪音男女士学生专用防打呼噜降噪隔音海绵耳塞

1000 pair

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origin: guangzhou

import or not: no

brand: nolisten/oem

model: one in bulk, one in box, two in box

material: waterborne polyurethane

implementation standards: national standard

function: noise reduction soundproof

scope of use: sleep learning test

featured services: customizable brand packaging

series: sleep series

connecting line: none

size: 14 * 24mm

usage: put in meatus acusticus

classification: sleep earplugs

efficacy: hearing protection

packing method: packed in bulk

order number: jy038

snr: 30

washable or not: yes

earplug head shape: small bottle beer type

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Update time：20260902104201