- Brand Name: Laiwen
- Origin: China Mainland
- Model Number: JH-A39
- Hearing aids: Sound amplifier
- Hearing aid: Hearing aids for deafness
- ear hearing aid: Amplifier
- CIC Digital Hearig Aid: hearing aids support
- Speaker amplified: powerful hearing aid
- deafness hearing aid: first aid kit
- mini hearing aid: Audio amplifiers
- rechargeable hearing aids: audifono
- wireless headphones: Hearing Aids Sound Amplifier
- Invisible Digital Hearing Aids:: Ear Amplifier Drop Shopping
- Digital Hearing Aids: Invisible Hearing Aids
- Hearing Aid Battery size:: Rechargebale Hearing Aid Battery
- For Deafness/Elderly: Mild to moderate hearing loss,senior,middle age,Child,
- Headphone Hearing Aid: Portable Hearing Aid Mini Ear Sound Amplifier
Rechargeable Hearing Aids Digital Low Noise Hearing Aid Mini Wireless Sound Amplifier For Deafness Audifonos Severe Loss Device
Product information:
Specifications:
Maximum OSPL90: ≦120±4dB
High frequency average OSPL90: 103dB±4dB
Total Harmonic Wave Distortion: ≤7%
Frequency range: 400-4000Hz
Input noise: ≦ 29DB±3
Equivalent input noise level: ≦ 35dB
Total harmonic distortion:≦10%
Frequency response range:300Hz-3500Hz
Rated power supply current consumption:≦60mA
Work time : 10-12hours
Charging time:90min-2hours
Charging case working current:≦70mA
Charging case working voltage:3.7V
charging case charging time:90 min
Hearing aid charging current:≦30mA
Hearing aid charging voltage:4.2V
Hearing aid charging times(Double machine):3-4 times
White Color
Using Way:
![](https://ae01.alicdn.com/kf/Scd7ed6362053484ab87d44b91b0042432.jpg)
Package Included:
1 × charging case
1 × micro-USB charging cable
2 × earbuds
6 × ear plugs (2 of each size)
1 × cleaning brush
1 × instruction manual
1, need choose the suitable ear dome,
2 turn down the hearing aid,
3 put into the ear,turn on the hearing aid,
4 adjust the volume.
Here is the package video:
Hearing rehabilitation instruction programe:
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