: China Xinxing Xiamen Import and Export Co., Ltd.

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Wireless Electronic Earplugs BT 5.3 Earbuds Are In-ear Hearing Protectors

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China Xinxing Xiamen Import and Export Co., Ltd.

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Wireless Electronic Earplugs BT 5.3 Earbuds Are In-ear Hearing Protectors

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Wireless Electronic Earplugs BT 5.3 Earbuds Are In-ear Hearing Protectors

Frequency(Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR Mean attenuation(dB) 34.4 30.2 34.3 35.7 38.4 41.5 43.7 45.5 45.1 26 Standard 5.9 5.1 5.5 4.7 4.1 2.7 5.3 4.8 5.7 26

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BT 5.3 earbuds

Wireless Electronic Earplugs

In ear Hearing Electronic Earplugs

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