Product Review

Care of hearing protection> when you are exposed to sound levels in excess of occupational Exposure or action limits, and sound levels cannot be reduced to less than an 8-hour time Weighted average (TWA) of 85dBA, Hearing protection should be used to protect you from work-related Hearing loss. 28dB high noise reduction rating> disco/KTV: ≥90dB, damage to the hearing. After: ≤60dB, No damage to the hearing> airport: 80 – 89dB, unbearable. After: ≤50dB, relatively quiet bedroom facing to the street: 60 – 79dB, suffer insomnia. After: ≤30dB, little quiet sound> noisy living room: 50 – 59dB, noisy. After: ≤20dB, nearly silent bedroom: 40dB, quiet/soft voice. After: -, silent quality and technology Certified by ANSI S3. 19&Ce EN352-1, our over-the-head ear muffs are engineered to work in harsh environments. Two layers of professional noise dampening foam, high sealing solid cup and the unique double-shell are used, all combined to achieved an industry leading NRR. suitable for both adults and children> design adjustment headband to achieve a full of vertical adjustment for a perfect fit. The retractable stainless steel at the end of headband offers a flexible adjustment. foldable for easy storage> The foldable design is easy to transport in your purse. Lightweight dura-design keeps ears Cool, reduces neck strain. package contents> earmuffs × 1 carrying bag × 1 user manual × 1 specifications> Color: Black muff size: 3. 94*2. 95 inch's> earmuffs weight: 10. 09Oz headband size: 11. 2*1. 69Inch noise-reduction: NRR 28dB/SNR 34db : Every Mpow product includes a 45 days money back & 18-month worry-free !