Earmuffs 3M OPTIME 3

The OPTIME III safety headphones for work suppress ultra-high and low-frequency sounds. Protects against extremely high noise levels. The headphones provide excellent grip on the head and ears. Does not lose its protective properties at large fluctuations in ambient temperature. Easily compatible with other PPE, suitable for long-term use. Made of steel, the headband is extremely durable and retains the consistent shape of the headphones.