The Walker'sA(R) Cloak Dual Mic Electronic Muffs surround your ears with reliable hearing protection. Two Hi-Gain omni-direction microphones and full dynamic-range HD speakers allow you to hear what's going on around you in crystal clarity, and the Sound Activated Compression springs into action to shut out potentially damaging sounds. Sound Activated Compression (SAC) technology reduces harmful noises Dual Hi-Gain omni-directional microphones for hearing enhancement Full dynamic-range HD speakers deliver clear, balanced audio Sound-dampening housing with bonded-rubber coating Noise Reduction Rating (NRR) of 23-25dB Soft-touch button operation Folding, cushioned headband Runs on 2 AAA batteries (included) Order today!