Logitech Ultimate Ears Loud Enough Volume Limiting Earphones
Noise-induced hearing loss occurs when kids have been exposed briefly to a very loud noise or over time to noisy environments. Most MP3 players max out at about 103 decibels (dB), though some can reach sound levels of up to 120dB, which is like standing 100 feet behind the engine of a jet plane as it's taking off. According to the National Institute on Deafness and Other Communication Disorders (NIDCD), more than a minute of exposure to 110 dB (ex. a chain saw) risks permanent hearing loss, as can 15 minutes at 100dB or prolonged exposure at or above 85dB. These earphones physically block ambient sound, so kids aren't tempted to crank the volume. Plus, the earphones themselves knock 20dB off any sound source.
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