hearing aids for elderly Pocket Hearing Aid Deaf Aid Sound Audiphone Voice Amplifier digital sound amplifier ear amplifi

hearing aids for elderly Pocket Hearing Aid Deaf Aid Sound Audiphone Voice Amplifier digital sound amplifier ear amplifier

Model:S-7B

Description:

1.Max Sound Output: 130dB ± 4dB
2.Max Gain: 59 ± 5dB
3.Harmonic Wave Distortion: ≤8% (AT 1000 Hz)
4.Input Noise: ≤ 28 dB
5.Frequency Range: 300Hz ~ 4000Hz
6.Working Voltage: 1.5V
7.Working Current: ≤ 6.8mA Hearing aid coil sensitivity >100dB

Competitive Advantage:

*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

*Good package

*Nice after-sale service

Note:

1.It is forbidden to used by those patients with tympanitis or ear pyogenesis.

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 battery.

7.Don't use the product in potential explosive or dangerous environment.

8.Keep the unit away from the children. It will injure him or others, or damage the unit.