ER300HIThe Pro Ears ReVO Electronic Ear Muffs are specifically designed to provide optimal hearing protection for smaller heads and ears. With a Noise Reduction Rating (NRR) of 25, these ear muffs offer reliable safety without compromising comfort. Tailored for children and smaller adults, the ReVO model ensures a perfect fit, enhancing both comfort and protection against harmful noise levels. Each pair is crafted with attention to detail, promising years of effective hearing defense.