ISOtunes Air Defender Bluetooth Ear Muffs (NRR 24) 04CF01 it blocks harmful impulse noise

it blocks harmful impulse noise while enhancing voices and ambient sounds with natural clarity—so you stay protected without losing connection to your surroundings

We devote considerable attention to the smallest details

a noisy classroom

In High mode you get 6db of natural level gain under 90db with 9db of attenuation over 90db

ISOtunes Air Defender Bluetooth Ear Muffs (NRR 24) 04CF01 it blocks harmful impulse noiseComfortable, Convenient, Classic. This ultra comfortable and easy to use Bluetooth earmuff is a simple solution for any loud environment . Over 20% lighter than other ISOtunes earmuffs, AIR DEFENDER gives you 40 hours of listening and talk time without any pain or discomfort. Ultra lightweight Memory foam ear cushions and headband ANSI certified 24 dB NRR OSHA compliant hearing protection SafeMax Technology limits volume to 85 dB Up to 40 hour battery