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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How to Care for Hearing Aids?. 2 In-Ear Hearing Aids. Power Electric Socket Switch 2 Gang Weatherproof Outdoor Garden Plug Box Cover. Travel Inflatable Mattress Seat Car SUV Air Bed Sleep Cushion Mat Camping +Pump^.
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We appreciate your trust in our products and look forward to serving you again. This advanced hearing aid is designed to provide a superior listening experience for seniors or adults with hearing difficulties.
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Comfortable: Made of high-quality material, durable and sturdy, comfortable to wear. Ergonomic design, soft and flexible, these hearing aids help you a lot in daily life. Input Noise: <=32dB. Maximum Sound Output: 118+/- 4dB.
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Normal - Mild - Moderate - Severe - Profound Hearing aids forMild toModerate hearing lossnot forSevere or Profound. Type:Hearing Aid（With Bluetooth）. Not suitable for the crowd. Rapidly progressive hearing loss.
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Input Noise:≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB. Current:≤2mA.
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