Why does the hearing aid have loud screeching sound?. How to solve?. The cause of howling/noise: To make a small size hearing aid, the internal amplifier and the microphone are close to each other. The sound is continuously received and extended, so it has a certain possibility of producing howling after power-on.
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Features: 1.High and low tone control 2.Left & right ear adjustability 3. Background noise reduction 4.Suitable for people with moderate hearing loss (80-90dB) Specification: -100% brand new, high quality -Product name: Hearing Aid -Material: Silicone/ABS -Color:gold -Power mode: rechargeable - MAX OSPL90: ≤129dB+-/3dB -Harmonic Wave Distortion:≤10% -Frequency Range: 450～5000 Hz -Sound gain: >= 38dB+/- 5dB - Input Noise: ≤29dB+-/3dB - Charing box: Include 300mAH，Full charing about 3 hours OK to hearing Amplifiers recharing about 4 times -Hearing Amplifiers: Include 35mAH，Full charing about 1.5 hours，Working about 25 hours .
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1 Pair Mini Invisible Hearing Aids In-Ear Digital Enhancer Voice Sound Amplifier 300mAh with Digital Display Charging Case. 【SMALL AND CONVENIENT DEVICE】It has a miniature appearance comparable to headphones, so you won't attract any unpleasant glances when using it.
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Participate in pleasant conversations with family, friends or co-workers with our hearing aids for adults. Ideal for mild to moderate hearing, our hearing devices for elderly people assist in watching TV, on the phone, in normal discourse and more.
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They are also easy to clean, making them more convenient and hygienic. 1 x Hinter-dem-Ohr-Hörgerät (einzeln)1 x Behind-the-ear hearing aid (single unit). Color: Skin tone (similar to champagne gold).
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The Invisible Digital Hearing Aid by K&FCOPTEE is a discreet and powerful solution for adults experiencing hearing loss. With two settings and a maximum sound output of ≤113dB±3dB, these rechargeable sound amplifiers provide clear and crisp sound. The in-the-ear design and digital noise reduction feature make it ideal for everyday use, while the included hearing aid case and dome ensure easy storage and maintenance. The brown colour and CE/FDA certification add a touch of professionalism to this product, making it a practical and reliable choice for those in need of hearing assistance.
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Why is there a whistling during the wearing process?. We give 3 different sizes of earplugs to reduce howling and noise. Suitable for mild to moderate severe hearing loss (Reference hearing loss map).
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Features: 1.High and low tone control 2.Left & right ear adjustability 3. Background noise reduction 4.Suitable for people with moderate hearing loss (80-90dB) Specification: -100% brand new, high quality -Product name: Hearing Aid -Material: Silicone/ABS -Color:gold -Power mode: rechargeable - MAX OSPL90: ≤129dB+-/3dB -Harmonic Wave Distortion:≤10% -Frequency Range: 450～5000 Hz -Sound gain: >= 38dB+/- 5dB - Input Noise: ≤29dB+-/3dB - Charing box: Include 300mAH，Full charing about 3 hours OK to hearing Amplifiers recharing about 4 times -Hearing Amplifiers: Include 35mAH，Full charing about 1.5 hours，Working about 25 hours .
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