Soundproof Earmuffs Professional Protection Adult Anti-Noise Students Learn Noise Reduction Quiet Industrial Earmuffs 36db

SPECIFICATIONS Brand Name: karocola Origin: Mainland China Model Number: LY209 Certification: none Choice: yes Name: Professional soundproof earmuffs Material: ABS/PVC Color: White/Black/Lake Blue Style: thickening and efficient noise reduction Noise reduction value: SNR36 NRR31 Applicable environment: factory, dormitory, downtown and other noisy environment Weight: about 250G Design Features: 01. The headband design is more comfortable and breathable 02. Adjusting rod design, the built-in type is safer 03. High-quality sound-absorbing cotton, upgrade noise reduction 04. High-quality apron, upgrade comfort 05. High elastic ABS headband, more comfortable to wear Packing: Noise-reducing protective earmuffs*1/packaging