Hearing aid is a small loudspeaker, which expands the sound that cannot be heard originally, and then uses the residual hearing of the hearing impaired to send the sound to the auditory center of the brain and feel the sound. It is mainly composed of five parts: microphone, amplifier, earphone, power supply and volume control.
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Handsome (affirmation from handsome)
Very soft and beautiful
I like the design of this feeling very much. I like
It's quite different from previous hearing aids. This is good.
Bluetooth charging? It feels a bit like the principle of wireless headphones.