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During the last decade,
there are more and more youngsters suffering from hearing problems due to their misuse of the earphones . to avoid this problem,experts suggest that teenagers should keep the volume under 60% of the maximum setting and avoid continuously wearing them over 60 minutes.
ZHEJIANG UNIVERSITY
HangZhou, China
ZHEJIANG UNIVERSITY
HangZhou, China
Ziwei Weng
Danhua Sun