Allen, ULTRX Bionic Fuse E-Muff, Electronic Earmuff, NRR 22dB, Bluetooth 5.3, Rechargeable, Rubberized Protective Coating, Cement Gray 4144. The ULTRXT Bionic Fuse Bluetooth® Electronic Earmuff redefines your audio experience, bringing together top-notch sound, comfort, and safety all into one. Experience audio in a whole new light with dynamic wave compression system, coupled with a 6x omni-hearing boost, ensuring high quality sound clarity. Stay connected with Bluetooth® compatibility along with its symmetrical microphone response, ensuring crystal-clear communication. Crafted with an air-gel cooling technology to help you remain cool and comfortable during extended use. Not the mention, the plush pillow foam padding of the muff adds an additional layer of comfort. Immerse yourself in rich, synchronized audio with multi-sync harmonics while the USB-C lithium battery keeps you powered throughout your day. Whether you’re spending a day at the shooting range or working on a construction site – you’re protected! The ULTRXT Bionic Fuse Bluetooth® Electronic Earmuff is where premium sound, supreme comfort, and ultimate safety converge all unite! PREMIUM PROTECTION & SAFETY STANDARDS: ANSI S3.19 tested and certified with NRR 22dB protection, safeguarding your hearing in various noisy environments. BLUETOOTH CONNECTIVITY: Seamlessly pair with your devices using Bluetooth 5.3 connectivity, allowing you to enjoy your favorite tunes or stay connected while working in noisy environments. HI-GAIN MICROPHONES & SOUND COMPRESSION: Built with 4 hi-gain omni directional microphones, enhancing your awareness of surrounding sounds for added safety. Microphones are designed to automatically shut down at 82dB within 0.02 seconds to further protect hearing. PREMIUM SOUND QUALITY: Designed with Studio Harmonics technology to provide exceptional sound quality & clarity, comparable to a high-definition studio-grade audio system. USB-C LITHIUM BATTERY: 1200mAh, 3.7V battery power combined with provided USB-C charging cord is provided for quick charging & hours of product performance accessibility. SUPERIOR COMFORT & DURABILITY: Extra-padded headband folds for easy transport. Soft, gel ear cups ensure maximum comfort and cooling effect for extended wear. Made of a rubberized exterior for optimal strength & durability for long-term use. ULTRX: Experience modern fusion of sound & wave protection.