OPSMEN
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Earmuffs, Eyewear & Hearing Protection, HuntingOPSMEN Sport Sound Amplification Gunshot Noise Canceling Hearing Protection Electronic Earmuff Earphone M31 Series
– Suppresses sudden noise like gunshot above 82 dBA .Noise reduction rating + NRR22.
– Provided with electronic restoration of surrounding sound. Electronic volume, on/off switch reminder tone. 3 adjustable electronic restoration level.
– Headband with three different sizes. (Head circumference perimeter S: smaller than 21″, M: 21″-23.5¡±, L: bigger than 23.5″) Foldable ear cup design. Pronunciation ergonomic design more fitting ear.