Experience the perfect blend of premium sound, exceptional comfort and superior safety with the ULTRX bionic fuse Bluetooth electronic earmuff. Designed to redefine your listening experience, it features a dynamic wave compression system and 6x omni-hearing boost for crystal-clear audio clarity. Stay effortlessly connected with Bluetooth compatibility and a symmetrical microphone response, ensuring seamless, high-quality communication. Built for long hours of wear, the earmuffs incorporate air-gel cooling technology and plush pillow foam padding, keeping you cool and comfortable throughout the day. Immerse yourself in rich, synchronized audio with multi-sync harmonics, while the USB-C rechargeable lithium battery delivers reliable, all-day power. Whether you're at the shooting range or a construction site, you can count on NRR 22 dB noise reduction for top-tier protection. ULTRX bionic fuse - where innovation, comfort and safety unite. 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