A hearing aid is a device used to help people with hearing loss hear better. Learn more about world changing innovations with our Picture Encyclopedia!
A hearing aid is a device used to help people with hearing loss hear better. Hearing aids can fit on or in the ear, and clarifies and amplifies sound using electronics.
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HEARING AID A hearing aid is a device used to help people with hearing loss hear better. Hearing aids can fit on or in the ear and clarifies and amplifies sound using electronics.