Hearing aids,Hearing Aids for Seniors, Rechargeable with Noise Cancelling,Digital Hearing Amplifier for Hearing Loss, Invisible Hearing Aid,Ear Sound Amplifier (1pc) : Industrial & Scientific

Description

Why does the hearing aid have loud screeching sound ? Because the contact part of the earplug and the ear canal is not completely closed, the sound amplified by the hearing aid leaks from the gap and is amplified again by the microphone, so there will be a howling sound. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.

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