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Products > Functional Backpack > Hangzhou ZH Tech Co., Ltd | Similar Products
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Functional Backpack

" found 2 Products from Hangzhou ZH Tech Co., Ltd, China
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(1-2 out of 2)

Active Noise Reduce Shooting Hearing Protector

Active Noise Reduce Shooting Hearing Protector
backpack. Specifications Process and technical parameters Noise reduction mode Digital active noise reduction Reaction time 0.005s Noise reduction rate NRR 22 dB, SNR 27dB Ear cup material Durable ...

Passive Safety Hearing Protector

Passive Safety Hearing Protector
backpack. Specifications Process and technical parameters Noise reduction mode Passive noise reduction Noise reduction rate NRR 30dB, SNR 35dB Ear cup material Durable ABS Headband material EVA & ...
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