3M Pro-Protect Earmuffs 90545E, Bluetooth, SNR value 30 dB, Black

Details

• ACTIVE MICROPHONES - for communication and awareness, 3M's Sound level dependent technology provides situational awareness on the job while helping to protect your hearing: limits sustained loud noises such as a saw, suppresses loud impact noises such as a nail gun, and helps communication with your team in noisy environments
• NOISE REDUCTION - these earmuffs helps to reduce noise levels up to 30 dB
• BLUETOOTH WIRELESS TECHNOLOGY - for calls and music
• 60+ HOUR BATTERY LIFE - with 4-hour auto shut-off
• DURABLE RECESSED MICROPHONES - help prevent damage and reduce wind noise