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. The ULTRX Bionic Fuse Ion Bluetooth Electronic Earmuff is where premium sound, supreme comfort, and ultimate safety converge all unite!