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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Rechargeable Hearing Aids for Seniors with Noise Cancelling,Hearing Loss Hearing Amplifiers,Digital Hearing Aid,Sound amplifier with Volume Control Features: 1. Rechargeable BTE Sound Amplifier (Left and Right): A rechargeable BTE hearing amplifier specially designed for the elderly and people with hearing loss. Perfect gift for seniors 2. Easy to Place and Discreet Design: It is lightweight and comes with comfortable ear hooks. The hearing aid's tube adapts to the contours of your ear for ease and comfort. It curves so neatly behind your ears that no one will notice you're wearing it. .
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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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Get your New Style 'We Make Hearing Easier' Mini Hearing Aids Right Now. These hearing aids are for adults with signs of mild to moderate hearing loss. User Guide and Operation guides are included.
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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 1.5 hours, and after being fully charged, it can achieve an ultra-long standby time of 35-48 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: 22dB &plus.
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Rechargeable Hearing Aids for Seniors-Digital Hearing Amplifiers with Noise Cancelling Crystal Clear Sound Quality Voice Recognition&Tinnitus Relief Wireless Charging Case Features: 1. A true OTC Hearing Aid,Not Just Amplification: hearing aids are designed with an advanced digital chip that significantly reduces background noise while enhancing speech intelligibility for seniors and adults,ensuring effective communication and easy access to information. .
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Clearer sound quality: The hearing aid is equipped with a self-developed digital chip and algorithm, optimized specifically for hearing aids. Type: Hearing Aids for Seniors Severe Hearing Los. Type: Hearing Amplifier.
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