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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The cause of crying/noise: for a small size hearing aid, the internal amplifier and the microphone are close together. The sound has been continuously received and expanded, so it has a certain possibility of producing crying after power-on.
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Types:A About This Item: .
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Digital Hearing Aids Invisible Noise Cancelling 32 Channels Sound Amplifier Gift. With the latest Bluetooth version, you get a greater range at faster speeds using lower power. Digital Signal Processing creates a safe experience that suppresses noise without blocking the speech signal.
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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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Features: -It adopts a lightweight in-ear design and comes with earplugs of different sizes to ensure a tight fit, comfortable wearing and reduced howling. -The left ear is blue and the right ear is red, making it easy to tell which ear it applies to. With obvious on/off button for easy operation. -Hidden design, looks like a Bluetooth headset, so you won't feel uncomfortable. -Equipped with a 300mAh large-capacity charging box, it can be fully charged in about 30 minutes and can be used for about 6 hours. The charging box can provide 5 charges when fully charged. -Built-in intelligent digital chip, intelligent noise reduction, no fear of noisy environment, providing excellent sound quality. .
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The cause of crying/noise: for a small size hearing aid, the internal amplifier and the microphone are close together. The sound has been continuously received and expanded, so it has a certain possibility of producing crying after power-on.
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Step4: Make sure the earplugs can fill the ear canal. Why does the hearing aid have loud screeching sound ?. How to wear a hearing aid?. The ear hook can be rotated 360°, and both left and right ears can be used.
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