Free Shipping S-138 BET hearing aid Personal Deafness Hearing Aid
Cheap Ear Machine Price hearing enhancing
1.Max Sound Output: 130
2.Max Gaim: 50 ± 5
3.Harmonic Wave Distortion: ≤5% (AT 1000 Hz)
4.Input Noise: ≤ 30 dB
5.Frequency Range: 300Hz ~ 4000Hz
6.Working Voltage: 1.5V
7.Working Current: ≤ 4mA
8.Battery: AG13 or A675
*Biggest manufacturer in China, price will be very nice
*CE approved for all kinds of proudcts
*Short delivery time low to one day
*100% quality guarante before shipment out
*Nice after-sale service
1.It is forbidden to used by those patients with tympanitis or ear
2.Don't use it at high volume for long time. Otherwise it will
injure your ear If you feel uncomfortable, please stop using.
3.Please maintain the products all the time, avoid ear plug and
sound collecting hole being blocked by foreign objects. It will
affect the effect of sound amplifier.
4.Avoid shocking, falling the product. Don't keep or use it in
environment of humid or high temperature.
5.Don't throw the scrapped battery as common rubbish, it should be
handled by special equipment.
6.Please take out the battery if don't use it for a long time.
Otherwise the components will be rotted by time. Rotten liquid from
7.Don't use the product in potential explosive or dangerous
8.Keep the unit away from the children. It will injure him or
others, or damage the unit.
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