The ULTRX bionic electronic earmuff delivers an unmatched audio experience by combining superior sound quality, comfort and safety in a sleek, innovative design. Featuring a dynamic wave compression system and symmetrical microphone response, it ensures crystal-clear communication in any environment. Designed for all-day wear, the pillow foam padding provides exceptional comfort, while two AAA batteries power the device for extended use. With a noise reduction rating (NRR) of 22 dB, it offers reliable hearing protection without compromising sound clarity. The built-in Aux Port allows seamless connection to various devices, enhancing your audio experience even further. Backed by ANSI S3.19 certification, the ULTRX bionic electronic earmuff meets the highest industry standards for safety and performance. Elevate your hearing protection with cutting-edge technology designed for clarity, comfort and durability. Meets ANSI S3.19 and ANSI Z87 safety ratings for superior protection and quality assurance (2) high-gain stereo microphones offer premium sound amplification, allowing for increased situational awareness and communication Studio harmonics technology delivers high-fidelity sound quality for an immersive listening experience Aux Port accessibility allows for easy connection to external devices, providing a customized audio experience Designed for long lasting use, powered by (2) AAA batteries for extended operation (batteries not included) Extra padded headband with soft ear cups ensures optimal comfort, even during prolonged use ULTRX technology delivers a modern fusion of sound and wave protection for an unparalleled audio experience For added safety, microphones automatically shut down at 82 dB within 0.02 sec to minimize harmful noise exposure Constructed with a rubberized exterior for enhanced durability and long term use