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HEAR Saver is a designed for toddlers to isolate noise, because infants and young children are more likely to be affected by external noise, resulting in sleep problems and psychological development, serious and even cause cochlear implants in infants and young children malnutrition and lack of oxygen, so that hearing damage.This product through the earmuff-style design, coupled with external sound sound sound sound insulation holes, in addition to maintaining normal hearing conditions, but also to prevent environmental noise to infants and young children harm.