The Plugfones Freereign VL Earplugs with Audio offer a high level of protection with a Noise Reduction Rating (NRR) of 31dB and a maximum Attenuation Frequency Response (AFR) of 82dB. These earplugs, made by Plugfones in Vietnam, provide a comfortable fit for extended wear, making them suitable for various industrial and recreational activities. With the added feature of audio capability, these earplugs allow users to retain their awareness of their surroundings while maintaining a safe level of sound exposure. Ideal for individuals looking for reliable and efficient ear protection.