16-Channel Bluetooth Hearing Aids for Seniors with LED Power Display Charging Box, Automatic Switching Hearing Aids to Bluetooth for Phone/TV Without APP, Digital Hearing Amplifiers Without Whistling .
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Choose slightly larger earplugs to avoid whistling. Insert the hearing aid into the ear canal and adjust its position in the ear canal until the soft ear tip fully unfolds and fills the ear canal;. If you hear a whistle, check whether the ear (silicone) is suitable, whether the size of the plug is tight.
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No more hassle of replacing batteries – our power ear technology enables you to hear everything with clarity and ease, from whispers to loud conversations. Say goodbye to the frustration of not being able to hear everything clearly and hello to the difference that our noise-canceling technology and sleek design can make.
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Perfect for moderate to severe hearing loss. White charging box + Skin color hearing aids. 25% smaller than others. No more fumbling around with drained tiny button batteries. Product: Hearing aid.
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This Powertone F-138 In-Ear Hearing Aid is a quality hearing aid which can help you hear the sound clearly and loudly. - Silicone ear pads in 3 different sizes, suitable for any form of ear. Sound gain: ≥ 50dB.
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Choose:Upgraded version(1 pair) About This Item: -Specially designed for hearing-impaired people, more suitable for the ear canal. Even when used for a long time, there is no pain. -Your hearing aids can be charged using the detachable charging case (you will need to charge the charging case first). -Maximum gain is 117dB, suitable for moderate to severe hearing loss (see hearing loss table). -If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. We offer 3 different sizes of ear tips to reduce whistling and noise. -Super-mini size and light weight for easy carrying. .
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The reason for the howling/noise: To make a mini hearing aid, the internal amplifier and microphone are very close together. The sound is constantly receiving and expanding, so there is a certain possibility of whistling after the power is switched on.
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WDRC Channel: 16 Channels. Exquisite and small design, one pair mini black hearing aids, you can use as an earphone, you can connect your phone to listen to music, phone calls, etc. He has a basic adaptation to hearing aids and can go to public places such as vegetable farms and supermarkets.
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