FEATURES
- Low profile cup design
- Noise reduction rating + nrr22
- Amplifies low-level sounds
- Suppresses harmful noise above 82 dB
- EMI/RFI shielding increased rf immunity for the EMI environment
- Conformable ear cushions for a tight seal
- 3mm thick high-impact resistant polycarbonate shell
- Comes with a 3.5mm aux audio input cable for media devices
- Dynamic voice tracking improves speech intelligibility
- Foldable for storage and protection
- Ipx-5 water-resistant
- Runs on 2 x 1.5v AAA batteries, approx. 350 hours of operation
- 4 hours auto shut-off mechanism
M31 electronic headphones offer superior hearing protection and enhance the weak sound in the environment and track human voice to restore and optimize, while suppressing dangerous noises, such as explosions and guns, also improving the clarity of conversation and the surrounding environment alertness.
