Analog ITC Sound Voice Amplifier Hearing Aids S-211 In The Ear
Deafness Headset High Auality Sound Amplifier Micro Ear Hearing Aid
Model:S-211
Product performance and parameters:
1.Max Out: â¥115dB
2.Max Gain:â¥30dB
3.Average Gain:â¥38dB
4.Harmonic Distortion:a)â¤10%(Frequency< 1000Hz)
b)â¤4%(Frequency >1000Hz)
5.Equvi Input Noise:â¤30dB
6.Frequency Range:â¥250Hz~3500Hz
Stanard battery:AG3 or AG312 button cell
Voltage:D.C. 1.5V
Current:â¤4mA
Product Weight:3g
Product Size:2.3*1.3*1.9cm
Package: Plastic Box
Package Size:11.1*8.4*3.3cm
Product description:
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
