Why does the hearing aid have loud screeching sound ?. How to solve?. Cleaning: Wipe with a dry, soft cloth. Use a small brush to clean the earwax inside and around the sound hole of the hearing aid.
The product "A Pair Hearing Aid Noise Reduction Virtually Invisible Hearing Loss Elderly" would be ideal for those with early to mild hearing loss, who desire to reduce background noise and go unnoticed by others.