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When people clean their earwax,they usually don't know exactly how far to go and how much strength to use.Accidents always happen,such as perforated eardrum-induced hearing loss.This new earwax cleaner has a small ball on it,witch will stop the cleaner from going to far into the ear and causing damage.Moreover,the small ball can be adjusted.This design ensures both effective and safe earwax cleaning.
Guangdong University of Technology