Smartreloader SR112 Electronic Stereo Earmuffs: * Electronically limit loud noises up to 85 decibels and amplify soft sounds up to 20 decibels * Stereo microphones allow you to hear directionally * Excellent for hunting and range safety * Independent volume controls on each earpiece * Runs on 4 AAA batteries, not included * Padded headband and soft, foam filled ear cushions * Amplifies the full range of audible sounds up to 100 yards away * Amplifies non-harmful sounds as much as 19dB while blocking out harmful sounds such as a gun blast * Model# VBSR006-1