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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This advanced hearing aid is designed to provide a superior listening experience for seniors or adults with hearing difficulties. Here is what makes it stand out Enhanced Listening Experience: Specifically designed for individuals with poor hearing, it amplifies sound clearly and naturally.
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The reduced amount of noise and squeaks affects the comfort of using the hearing aid. The sound amplified by JINGHAO hearing aids is clear, soft and more spacious. OSPL 90 MAX: ≤120dB + 3dB, THD: ≤10%.
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This heard in hearing aids is designed for old people or people with hearing problems, suitable for those people who was hearing loss or patients. User-oriented design make the hearing aids can perfect the ear.
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Features: -Specially designed for hearing-impaired people, more suitable for the ear canal. Even when used for a long time, there is no pain. -Your hearing aids can be charged using the detachable charging case (you will need to charge the charging case first). -Maximum gain is 117dB, suitable for moderate to severe hearing loss (see hearing loss table). -If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. We offer 3 different sizes of ear tips to reduce whistling and noise. -Super-mini size and light weight for easy carrying. Description: .
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Why is there a whistling during the wearing process?. The cause of howling/noise: In order to make a mini size hearing aid, the internal amplifier and the microphone are close to each other. The sound is continuously received and expanded, so it has a certain possibility of produce howling after power-on.
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Mini size, bluetooth headset appearance, different from the old style hearing aids, will not let people notice the difference after wearing;. The latest chip, in mini Bluetooth headset size to achieve the hearing aid function, to help hearing impaired people to hear normally;.
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1 Mini size, Bluetooth earphone appearance, different from old hearing aids, wearing it will not make people notice anything unusual;. The hearing aid mode can be used with two devices; Bluetooth mode only supports single ear mode and does not support pairing with two;.
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