SNR: 35dB - Applicable decibel level: 110dB guaranteed - ANSI S3.19 & CE EN521 Hearing Protection Noise Suppression. Unique clamshell technology ensures maximum noise reduction (NRR) of 34dB.Soft, adjustable air cushion; padded headband offers balance, durability and comfort.Each shell rotates and tilts to adjust to the wearer for comfort for children and adults.Compact: portable handle for one efficient storage , essential for hearing protection.Strong: premium quality ensures robustness while providing the best hearing protection. Product description Adjustable pins & Flexible The stainless steel connecting ear cups are retractable, ideal for adults and young people, no matter men or women, boys or girls, is a good choice! Foldable design The the Foldable design is easy to carry, you don't have to worry about carrying and storing it when you go out. Soft ear cushion High quality PU leather ensures that your ears are covered, without pressure, which allows you to wear it for a long time. Benefits NRR 34dB/ SNR 35dB Designed with anti-noise sponge, soft ear cushions and sturdy ABS earpads, provides NRR 34dB/ SNR 35dB noise reduction Ideal for hearing protection in construction site, welding, mowing, train, airport, factory etc. ANSI & CE Certificate Certification: ANSI S3.19, CE EN352-1 Adopted environmentally friendly materials, allows a long life for safe and consistent use. Features Color: Black Size : 145 *180*95 mm Weight: about 400 g Noise reduction: NNR 34dB / SNR 35dB Scope of delivery 1 Noise canceling headphones for adults />Sold by laoya store