How far can the hearing aid hear?
Hearing aids generally guarantee normal communication within a distance of three meters.,The best distance is generally2Within meters,Too far, the sound effect will definitely be weaker.,This is also related to the hearing situation of itself.
Hearing aids have a minimum volume that starts to zoom in, such as20Decibel, no matter how loud the sound comes to the hearing aid microphone, the sound here has20The decibel hearing aid can be enlarged, but the input sound is small and the sound is small. general5The sound of the hearing aid in the meter is better.
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