1. Choose a suitable earplug to make the product sealed in the ear canal
2. Low down the sound volume
3. When you put into battery , please be quick , to put the product into the ear
Adjust volume to the minimum before wearing.
Choose an earplug of slightly bigger size to avoid whistler(noise).
Increase volume gradually to avoid sudden increase in sound.
Keep the ear plug and you ear canal clean
Remove the battery if you don't use it for long time.
This model is suitable for mild to moderate hearing loss (child, Adult,elderly)
FEIE ear amplifier aparat analog hook hearing aid aids the ear listens S-520 adjustable toneamplifier Free Dropshipping
S-520 hearing aid size:
Use :hearing aid battery A675 model
|FEIE ear amplifier aparat analog hook hearing aid aids the ear listens S-520 Free Dropshipping|
|Features:||This product is a delicate ear hearing aids, especially use for your entertainment, leisure, listening to opera, watching television and movies, meeting communication or students in the calss, to make the sound effect clear and lound, good choice for people who need.|
* MAX OUT : 126 ± 4dB
1.The wire plug connected to the headset.Then earplug connector (hard) to the headset, earbuds (silica gel) to connect to the headphone connector pedestal
- Adjust volume to the minimum before wearing.
Three size earplugs as below picture:
1 x Hearing Aid:1 x Cleaning Brush;3 x Earplug(Different Size);1 x Instruction manual (English),only one battery in battery door