Experience a new level of audio precision, comfort and safety with the ULTRX bionic fuse Bluetooth electronic earmuff. Engineered for superior performance, it features a dynamic wave compression system and 6x omni-hearing boost, delivering exceptional sound clarity in any environment. Stay seamlessly connected with Bluetooth compatibility and symmetrical microphone response, ensuring crystal-clear communication. Designed for long-lasting comfort, the air-gel cooling technology keeps you cool, while plush pillow foam padding provides an extra layer of softness for extended wear. 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 on a construction site, trust in NRR 22 dB noise reduction for unparalleled protection. ULTRX bionic fuse - Where cutting edge technology meets ultimate comfort and safety. 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 redefines audio protection with a modern fusion of sound enhancement and wave protection 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 Combining top-tier sound, comfort and safety, our ear protection products deliver an unmatched experience