Hearing Aids, Rechargeable Digital 4-Channel Hearing Aids for Seniors Hearing Loss with Smart Noise Reduction, Perfected Ergonomics Mini Invisible Hearing Amplifier In-Ear Earbuds with Charging Box
- ...stinguish between fixed gears, and can be adjusted to the appropriate sound gear according to the actual situation of the user. Please do not cover the upper pickup hole when adjusting the volume..
- 【Whistling is Normal】Hearing aids for seniors that scream or whistling when worn are not a quality problem, but the earplugs are not suitable, or the wearing method is wrong. The hearing aids come with 5 silicone earplugs of different sizes, please choose the closest fit to the ear canal, otherwise it will cause howling. We are proud of professional technology and considerate service! If you have any questions, please feel free to contact us. We are online 24 hours to solve all your problems..