Thứ Ba, 6 tháng 12, 2016

Many Kids’ Headphones Carry Risk of Hearing Loss, Study Finds


Half of 30 sets of so-called noise-limiting headphones and earbuds tested did not restrict volume as much as their manufacturers promised.
By CATHERINE SAINT LOUIS from NYT Health http://ift.tt/2hat84K
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Ears and Hearing, Headphones and Headsets, Children and Childhood, Noise
Source The New York Times
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