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People might have some fear about wearing earphones in winter. Thats because earphones are very cold to put ears. To solve the problem, I designed that the rubber of earphones put back so that users can feel warm. Earphones can be kept warm by covering rubber back when earphones arent used.
Sunkyunkwan university
Inchon, South Korea
Song In ho
Sunkyunkwan university
cheonan, South Korea