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Deaf people lack the ability to recognize sounds.
When talking with others, they can not accurately understand the contents of conversations.
Deaf people are more susceptible to other sense than others, as they can not detect sounds.
Therefore,i designed 'AHA' for Better communication through sound sensory communication.
'AHA' is Recognizing the large or small frequencies, give a signal to the left and right devices in the ear.
so it give a three-dimensional sound. For people with poor hearing, this feature is a big advantage.
you can recognize the sound of the mobile phone, car's horns, and the doorbell.
Seoul, South Korea