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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kibvoe Hearing Amplifier Aid Adults & Seniors Rechargeable Receiver-in-Canal. Specifications Model: EN-T201D open fit Maximum saturated sound pressure level: ≤130dB+3dB Average saturated sound pressure (OSPL90): 123dB+4dB Maximum gain: 50dB±5dB Average gain: 42dB±5dB Equivalent input noise level: ≤29dB±3dB Frequency response range: 300Hz~4500Hz Total harmonic distortion: ≤5% Net Weight: 4g /0.009lb Battery: 30mAh Li-polymer battery Rated current: ≤5mA Overall size: 3.5*1.3*0.8cm/1.4*0.8*0.3inch
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Digital Hearing Aids Sound Amplifier Invisible Noise Cancelling 32-Channels (UK). Digital Hearing Aids Invisible 32 Channels Sound Amplifier Noise Cancelling GIFT. 64-Channels Sound Amplifier Digital Hearing Aids Invisible Noise Cancelling Gift.
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Features:-The volume can be easily adjusted with just a screw turn-Built-in energy-saving rechargeable battery prolongs battery life and extends the time between charges, supporting all-day use.-The charging box can be fully charged in 1.5hours, and after being fully charged, it can achieve an ultra-long standby time of 20 hours.-Each weighs only 3 grams, which is convenient and comfortable to wear. It comes with earplugs of different sizes to fit everyone's ears perfectly.-It adopts a compact and lightweight design, which satisfies your convenience of carrying and invisible wearing, and can be used anytime and anywhere.Specification:Colour: black&red&blueStyle: in the earPower source: built-in 300mAh batteryEquivalent input noise: 23dB ± .
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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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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 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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Every sound is clear and distinguishable. Jinghao hearing aids, rediscover the warmth of home, and hear the beautiful melodies that life should have. Digital chip intelligent noise reduction enables clear conversation even in noisy environments. Technology makes listening easier.
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