Insert the hearing aid into the ear canal,adjust its position in the ear canal until the soft eartip is fully deployed and fill the ear canal. Clean the ear canal before use. Turn off the hearing aid if you don't use it.
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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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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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Mini size, bluetooth headset appearance, different from the old-fashioned hearing aids, wearing it will not let people notice any. It is also a Bluetooth headset, long press to switch to Bluetooth mode after power on.
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Input noise: <=32dB. Product material :ABS.
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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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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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