M31H Tactical Hearing Protector for ARC Helmet Rails

Meets the following Hearing Protection Standards:

- Australian Standard: AS/NZS 1270:2002

Product Features:

- Suits FAST Helmet
- Noise reduction rating NRR22
- 3 levels electronic restoration of ambient sound
- Suppresses harmful noise above 82 dB
- Different reminder tones of ON/OFF and 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 and sealing
- Replace battery like Flash with 30° twist-to-open cap designed
- Anti-sweat with NANO technology
- Foldable designed for easy portable
- Waterproof in accordance with IPX-5

Includes the Following:

- AUX 3.5mm jack for media players
- Does Not include Helmet or Rails