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: -There are five levels of volume control with beep prompts. -Equipped with portable charging case, 3-4 hours to full power of the case, can offer totally 36-90 hours of use. -The operation is simple, long press to turn on and short press to adjust the volume, making it convenient for the elderly to use. -High-definition sound quality enables barrier-free communication, and the full-scale gain is greater than 35dB. -The cochlear ergonomic design is comfortable to wear and can be used for a long time. .
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Two hearing aid modes can be used, Bluetooth mode only supports single ear mode, and two do not support pairing;. Mode: hearing aid mode; Bluetooth headset mode. Function: auxiliary listening; bluetooth headset.
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New and upgraded digital hearing aids. 1 x Hearing aids. Sound Gain: 38±5dB. 1 x USB line. Easy To Use: Easy to Operate For Seniors. Size: 45×40x10mm. Adjustable Amplify Mode: 6 Different Amplify Frequency Adjustable.
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Input Noise:≤26dB±3dB. Max sound out put: 126±3dB. Sound gain:≥ 28dB±5dB. 2 Main Unit. - Which is convenient and comfortable to wear.
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We give 3 different sizes of earplugs to reduce howling and noise. --- Suitable for mild to moderate severe hearing loss (Reference hearing loss map). --- Mini-size hearing aid is a powerful unit with noise reduction feature, perfect for those who want precise sound amplification, it is so small that others will hardly notice.
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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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Description NO PROGRAMMING: The problem with other is they have high frequency feedback and aren't user friendly. Because our product were made with ergonomically designed ear tubes and a digital processing volume control and memory. SPECS THAT ARE BETTER: This digital ear device has different listening modes, max sound alarm, active noise reduction, and a digital volume controller with memory function which means that you'll have total user control. .
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