We give 4 different sizes of earplugs to reduce howling and noise. - Suitable for mild to moderate hearing loss (Reference hearing loss map). Built-in battery: Heading Aids - YES; Dock Case - NO. Saves your trouble to buy button batteries frequently.
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Causes of whistling/noise: In order to make a small hearing aid, the internal amplifier and microphone are placed close to each other. The sound is continuously received and expanded, so there is a certain possibility of whistling after power-on.
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1 x LISTEN UP Sound Amplifier. Turns ordinary hearing into extraordinary hearing. easily listening. Line Length: 102cm. Pick up the sounds around you and amplifies them for more. We are continually expanding our product selection to better serve your need.
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Pocket Hearing aid. If you hear a howling, check the ear (silica gel) 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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Personal sound booster. 1pc Hearing Aid. Picks up sounds the human ear wouldn’t normally hear. Great to enhance sound while watching TV or at the movies. It uses new technology that enhances vocals while canceling out background noise.
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Brand new never used, any questions feel free to message me.
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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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