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The EARMOR M31H is an activated electronic hearing protector, based on M31 and comes with helmet rail adapter for attaching to FAST MT Helmets. It can remove harmful noise and amplify environmental sounds, makes you focus your attention on your hunting and shooting, also ensure your hearing can be protected when a weapon is fired.

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FEATURES

Noise reduction rating + NRR22
3 levels electronic restoration of ambient sound
Suppresses harmful noise above 82 dB
Different reminder tones of ON/OFF & restoration adjusting
Power by 2xAAA batteries, approx. 350 hours of operation runtime with new alkaline batteries, 4 hours auto shut-off mechanism
Ergonomic designed cups provide super comfortable wearing & sealing
Replace battery like Flash with 30°twist-to-open cap designed
Comes with AUX 3.5mm jack for media players
Anti-sweat with NANO technology
Foldable designed for easy portable
Waterproof in accordance with IPX-5
Tested and approved in accordance with CE/RoSH/ANSI S3.19-1974Standards/EN352-1:2002/EN352-4:2001/A1:2005/EN352-5:2002/A1:2005/EN352-6:2002/FCC