Streamlined design, the sound absorbing ear pad is light, soft and comfortable; Fully deal with high and low frequency noise, with an average noise reduction of 26 dB; It is widely used in high noise places such as factories and construction sites. Sound insulation earmuffs equipped with safety helmets have the following characteristics: streamlined design, light sound absorbing ear pads, soft and comfortable; Fully deal with high and low frequency noise, with an average noise reduction of 26 dB; It is widely used in high noise places such as factories and construction sites.