Hearing Aid Sound Amplifier Ear Hearing Controller Earphone Long Ear | Desertcart GERMANY
Hearing Aid Sound Amplifier Ear Hearing Controller Earphone Long Ear Hook More Suitable For Your Ears
Produkt-ID: 62237331
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Beschreibung
Package included: 1 x Hearing aid，4 x Earplug (different sizes)，2 x A675 button cell ，1 x User manual，1 x Box .
Adjust volume to the minimum before wearing，Choose an earplug of slightly bigger size to avoid whistler.
Increase volume gradually to avoid sudden increase in sound.
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.
Keep the ear plug clean，Remove the battery if you don't use it for long time.
Specifications: Max Sound Output: 129dB ± 4dBMax Sound Gain: 45dB ± 5dBHarmonic Wave Distortion: ≤5%Frequency Range: 450~3500 hzInput Noise: ≤30dBBattery: A675 button cell Working Voltage: dc1.5V Working Current: ≤3mA Color: As the picture showsItem Size: 5.0 x 3.8 x 1.0 c Package Size: 9.0 x 7.5 x 3.2cm
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