Key Features
- NRR 22 dB hearing protection
- Electronically suppresses hazardous sound above 82 dB
- Super-fast response time of less than 1 millisecond
- Three adjustable ambient sound gain levels
- Comfort and Combat sound-release modes
- Level-dependent ambient sound pickup
- Dynamic voice tracking for improved speech intelligibility
- EMI/RFI shielding for improved interference resistance
- 3 mm high-impact-resistant polycarbonate shell
- Low-profile ear cup design
- Approximately 300 hours of operation
- Four-hour automatic shut-off and low-battery warning
- Quick-detachable battery cover with anti-loss ring
- 5 mm AUX audio input cable
- Sweat-resistant PVC ear cushions
- Foldable construction
- IPX5 water-resistant design
The above features are based on the manufacturer’s exact M31-MOD3 product listing.