Mini Digital Invisible In-Ear Hearing Aids Headset Sound Voice Hearing Amplifier. 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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Signi aFun SP BTE Hearing aid. 100% Digital Signal Processing BTE Hearing Aid. Note: Programming is not required for this hearing aid. Insert the battery and start using it for Mild to Severe to Profound Hearing Loss.
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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.Specification:Material: ABS+siliconeMAX OSPL90 (dB SPL): ≤115dB+3dBHFA OSPL90 (dB SPL): 110dB±4dBFOG：30dB±3dBHFA FOG：29dB±3dBFrequency range: F1<400Hz, F2>4700HzTHD 500Hz：≤5+3%THD 800Hz: ≤5+3%THD 1600Hz: ≤5+.
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We give 3 different sizes of earplugs to reduce howling and noise. Why is there a whistling during the wearing process?. Suitable for mild to moderate severe hearing loss (Reference hearing loss map).
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【SMALL AND CONVENIENT DEVICE】: Compared to conventional devices, it has a miniature appearance comparable to headphones, so you won't attract any unpleasant glances when using it. The amplifier is ergonomically designed to fit the ear canal, won't fall off easily, and is comfortable to wear. 【ADJUSTS TO THE EAR WITHOUT SPRAYING】: Compared to similar products on the market, we have completely solved the problem of harsh sound when worn. We use more advanced technology and chips. It amplifies speech while reducing background noise, making listening easier and more enjoyable in noisy environments. .
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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. - If you hear a howling,check the ear (silicagel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
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16-channel digital hearing Amplifier bring the natural sound 100% back to your ears. 【Easy to operation】The hearing Amplifier feature the function of delayed start-up prompt. when you take out hearing Amplifier from charging case, it will power on automatically.
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The cause of howling/noise: The internal amplifier and the microphone are close to each other of the hearing aid, and the sound is continuously received and expanded, so it has a certain possibility of produce howling after power-on.
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