The ULTRX bionic fuse ion Bluetooth electronic earmuff delivers premium sound, comfort and safety in one innovative design. Featuring a dynamic wave compression system and 6x omni-hearing boost, it ensures superior sound clarity. Stay connected with Bluetooth compatibility and symmetrical microphone response for crystal-clear communication. Designed for extended wear, the foam-padded ear cups provide exceptional comfort. Experience immersive, synchronized audio with multi-sync harmonics, while the AAA battery power source keeps you going all day. With a noise reduction rating (NRR) of 22 dB, these earmuffs offer top-tier hearing protection - perfect for the shooting range, construction site or any high-noise environment. The ULTRX bionic fuse ion Bluetooth electronic earmuff is where cutting-edge audio, all-day comfort and ultimate protection come together. Advanced high-gain microphones provide crystal-clear sound amplification while protecting hearing from damaging noise levels ANSI S3.19 tested and certified, offering an NRR of 22 dB for outstanding hearing safety in high-decibel environments The latest Bluetooth 5.3 technology ensures a reliable connection for uninterrupted media playback and communication Ergonomic headband ensures superior comfort and durability, ideal for extended wear AAA battery operation runs on (2) AAA batteries (not included), offering dependable power with easy replacement for uninterrupted performance ULTRX technology delivers a modern fusion of sound and wave protection for an unparalleled audio experience