Peltor optime 3 H540A noise canceling ear defenders - black - 3M

Black noise canceling Headphones 3M Peltor H540A Optime 3 OPTIME III is an anti noise protection specifically for noisy areas The protection is based on a new technology in a double casing that minimizes resonance in mitigation of high frequencies is maximumised, but however can easily perceive words and signals, using an acoustic connection between the inner volume and the volume between the casings, it in turn provides maximum low - frequency attenuation, the sealing rings are broad and filled with soft foam material for adaptation optimal and low contact pressure Caution users must be trained and must have read the user guide, the non - compliance with conditions of use can affect the health of the user contains nothing done in natural rubber (latex) prolonged exposure to noise exceeding 80 dB (a) may cause permanent hearing impairment Performance: Protection: 95 - 110 dB Attenuation: SNR 35dB Optime III provides protection specifically designed for extremely noisy environment for an extended period Ultra comfortable Resonances: maximum attenuation even at very low frequencies Design: designed in black and red colour for quick recognition Headband: stainless spring steel with independent hoops springs fully adjustable headband to fit perfectly to your body Weight: 285 g Comes in the original box