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.
eBay
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.
eBay
Mini size, bluetooth headset appearance, different from the old-fashioned hearing aids, wearing it will not let people notice any. only supports one ear. It automatically enters the hearing aid mode after turning on the device, which is very convenient to use and more friendly to the.
eBay
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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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. 1 x Hearing Aids. Input Noise: <=32dB.
eBay
With bluetooth function, you can listen to songs and make calls. 1 x Pair Of Hearing Aids. Noise Reduction. 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.
eBay
eBay
It is caused by amplified sound from the hearing aid getting back to the micropphone and being re-amplified. The cause of howling/noise: To make a small size hearing aid, the internal amplifier and the microphone are close to each other.
eBay