Protect yourself from the cumulative effects of hearing loss due to shotgun blast in hunting or clays shooting. These muffs have a lightning fast-less than two milliseconds-noise "attack time" available. Harmful noise levels kept below 70 dB, whereas sounds below 70 dB are amplified so there is no problem communicating while wearing them. Stereo, wireless, independent ear volume. Design won't interfere with gun mounting. 200-hour battery life. The finest protection at any price. Note: Not designed for indoor conditions. USA.