Description M30 is designed to make benefits of electronic hearing protection accessible to everyone. The simple and reliable noise cancelling mechanism helps everyone saving ears in noisy environment, especially protect your hearing from the damaging sound of gun blasts, while helping you hear clearly to optimize communication, success and safety on the range. FEATURES Low profile cup design Smooth & stepless volume amplification adjustment Comes with 3.5mm AUX audio input cable for media devices Low profile cup design Noise reduction rating NRR22 Amplifies low-level sounds Suppresses harmful noise above 82 dB Conformable ear cushions for tight seal Dynamic voice tracking, improve speech intelligibility Foldable for storage and protection IPX-5 water resistant Runs on 2×1.5V AAA batteries 4 hours auto shut-off mechanism 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
