Experts reminded: hearing loss patients do not feel obvious often found in the physical examination or unintentionally Hospital Deputy Director of Otology said, Walkman is a stereo sound, its maximum volume makes people feel jarring, the inner ear mucosa and hair cells have some damage, the sound of the inner ear mucosa and hair cells produce a vibration, this vibration is enough to cause edema of the inner ear mucosa and hair cells, thus affecting hearing, resulting in neurological deafness. This effect is a long term process with slow hearing loss that is not apparent to the patient and is often detected on physical examination or unintentionally, but eventually affects hearing.