Experience the perfect blend of high-quality sound, superior comfort and top-tier safety with the ULTRX bionic electronic earmuff. Designed for exceptional clarity, its dynamic wave compression system and symmetrical microphone response ensure crystal-clear communication in any environment. Stay comfortable during extended wear with pillow foam padding, while two AAA batteries provide long-lasting power for uninterrupted use. With a noise reduction rating (NRR) of 22 dB, your hearing remains protected without sacrificing audio quality. Plus, the built-in Aux Port allows you to connect to various devices for an even richer listening experience. Certified to ANSI S3.19 standards, the ULTRX bionic electronic earmuff guarantees safety and performance at the highest industry level. Elevate your hearing experience with the ultimate combination of sound, comfort and protection. 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 Microphones automatically cut off at 82 dB within 0.02 sec, ensuring maximum ear protection in high-noise environments Constructed with a rubberized exterior for enhanced durability and long term use