The Venus N-556 Noise Reduction and Hearing Protection Earmuff is a high-quality auditory safety device designed to provide effective protection against harmful noise levels in various environments. With a Noise Reduction Rating (NRR) of 23 dB and a Single Number Rating (SNR) of 26 dB, these earmuffs are engineered to significantly reduce ambient noise, making them ideal for use in industrial settings, construction sites, shooting ranges, and other loud environments.