Portwest PW45 Electronic Ear Muff

These fully functioning electronic ear protectors automatically compress harmful impulses and continuous noises to a safe hearing range below 85 decibels, whilst still allowing still allowing normal sounds to be heard without clipping or cutting. Enhances low level sounds for better hearing. Built in volume controls and easy access battery compartments which hold 2 AA batteries each, for long lasting use. Batteries are included. Conforms to EN352-1 and EN352-4. SNR 31dB.