Bone conduction hearing aids are a special type of hearing aid that, unlike traditional air-conduction hearing aids, transmits sound to the inner ear through skull vibrations.
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Simple operation, specially designed for the elderly. Contains ferrom agnetic magn ets to prevent hearing aids from falling while charging. 1 Pair of Hearing Aids. Charging Boxcell: 300mAh (included).
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1 x Pair of Hearing Aids. With bluetooth function, you can listen to songs and make calls. 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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● Digital sound amplifier: Advanced digital signal processing technology provides a high quality of natural sound, detects and identifies sound waves and changes the amplification of the channel in which the noise is located to make normal speed clearer.
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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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2 x Hearing Aids. It takes about 2 hours to finish charging and you can use it for about 20 hours. You can clearly hear the sound whether indoors or outdoors. Features - Mini size, portable and convenient, with the hidden design, it looks like the Bluetooth headset, making yourself more confident.
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1 x Pair of Hearing Aids. With bluetooth function, you can listen to songs and make calls. 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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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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