Allen Co ULTRX Bionic Fuse Ion Bluetooth Electronic Earmuff - Slate - The ULTRX Bionic Fuse Ion 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 foam-padded ear cups to help you remain comfortable during extended use. Immerse yourself in rich, synchronized audio with multi-sync harmonics. AAA battery power source keeps you running throughout your day. Whether you're spending a day at the shooting range or working on a construction site - you're protected! The earmuffs rate a high Noise Reduction Rating (NRR) of 22dB. Hi-Gain Microphones and Sound Compression: Advanced hi-gain microphones provide clear, amplified sound while sound compression technology protects your ears from harmful noise levels. Premium Protection and Safety Standards: Tested and certified to ANSI S3.19 standards with a Noise Reduction Rating (NRR) of 22dB, ensuring top-notch hearing protection in various environments. Bluetooth 5.3 Connectivity: Seamless Bluetooth 5.3 connectivity allows you to stream audio and take calls wirelessly, enhancing convenience and mobility. Superior Comfort and Durability Headband: Designed with a comfortable, durable headband that ensures long-lasting use and wearability during extended periods. AAA Battery Operation: Powered by two AAA batteries, providing reliable and easy-to-replace energy for uninterrupted usebatteries NOT included. ULTRX: Experience modern fusion of sound & wave protection.