From the manufacturer Sound Amplification Effect We studied a lot of similar products' sound amplification effect, and we spent a lot more time and energy on that. On the basis of maintaining the same noise cancelling function, the amplification effect of our electronic shooting earmuffs is better. Stero Sound With stereo sound designed, CSAAA shooting ear protection has more stereo and clear sound, and can identify the location of the sound, which can help you find the location of the sound quickly. Facilitate to Communication When you need to communicate on a shooting range, ordinary earmuffs often do not allow you to hear real and clear sounds, but CSAAA shooting earmuffs can offer you a stereo, clear and realastic sound. Noise Reduction Effect CSAAA earmuffs have a better noise reduction, because ours has a completely closed design. And use electronic compression noise reduction, NRR is 23 db, which can help you lower noise exposure by 23 db when shooting or at a high noise environment. Suitable for Many Occasions Cool appearence and powerful function make CSAAA shooting earmuff suitable for many different occassions, like hunting, shooting, sawing and mowing. High Quality Painting Paint with Japan imported painting, which has a better protection, can prevent damage to the surface and would not change colors easily after a long time exposure under the irradiation of uv rays.