Redefine your audio experience with the ULTRX bionic fuse Bluetooth electronic earmuff, where premium sound, unmatched comfort and advanced safety come together. Featuring a dynamic wave compression system and 6x omni-hearing boost, these earmuffs deliver exceptional sound clarity for an immersive listening experience. Stay effortlessly connected with Bluetooth compatibility and symmetrical microphone response, ensuring crystal-clear communication in any setting. Designed for extended wear, the air-gel cooling technology keeps you cool, while plush pillow foam padding adds an extra layer of softness and support. Experience rich, synchronized audio with multi-sync harmonics, while the USB-C rechargeable lithium battery provides long-lasting power to keep you going all day. Whether you're at the shooting range or on a construction site, count on NRR 22 dB noise reduction to keep you protected in high-noise environments. Meets ANSI S3.19 and ANSI Z87 safety ratings for superior protection and quality assurance Bluetooth 5.3 connectivity pairs effortlessly with your devices, letting you enjoy music or stay connected in loud environments (4) high-gain omnidirectional microphones amplify ambient sounds while compressing harmful noise for enhanced situational awareness Studio harmonics technology delivers premium sound clarity, comparable to high-definition studio-grade audio USB-C lithium battery with 1200 mAh capacity ensures quick charging and long lasting performance Foldable, extra padded headband with soft gel ear cups for superior comfort and cooling effect 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