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new creative soundproof earplugs wholesale noise reduction sleep slow rebound memory foam earphone factory customization 中文版

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专为国人定制：贴合耳道符合国人

国人耳道特征：大部分国人耳道全长约2.0~2.5cm，直径约为0.7cm，外较宽内部3/2为骨性部，可容柔软物体

耳塞为亲肤类产品，卫生情况尤为重要

独立包装可避免污染

产品：子弹型防护耳塞创新：抗污表面（增加使用次数）

才智：吸音泡棉造型：流线子弹型

降噪：NRR 29dB SNR 37dB包装：10副/包（独立密封包装）一盒200副

柔软泡棉材质佩戴舒适子弹型揉搓进入耳道回弹型贴合不易调出

建议：当耳塞多次使用或脏污后建议再换确保使用安全

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Update time：20250317145956