Rechargeable Hearing Aid Sound Voice Amplifier Adjustable for Elderly Deaf Hear Clear apparecchio

Rechargeable Hearing Aid Sound Voice Amplifier Adjustable for Elderly Deaf Hear Clear apparecchio acustico
about Whistle , you can do this 3 steps to remove it.
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
Note:
Adjust volume to the minimum before wearing.
Choose an earplug of slightly bigger size to avoid whistler.
Increase volume gradually to avoid sudden increase in sound.
Keep the ear plug clean
Remove the battery if you don't use it for long time.
If you don't know how to solv it, please contact the seller first
Features:
Comes with rechargeable function, no need to change battery. you can charger anywhere.
Combines a cosmetically appealing look with the smooth sound an internal speaker.
Filter out unwanted noise caused by airflow or wind Deliver direct, powerful, and smooth sound right into your ear.
Moisture resistant provides durability to most forms of moisture and wear.
Separate wire and headphone, more convenient and safety.
Provide improved technology for reduced electromagnetic interference.
Suitable for severe hearing loss people.
Smaller than a credit card, discreet enough to fit easily in your pocket or handbag.
Rechargeable BTE Hearing Aid
Powerful Sound Quality
Volume Control
O-N-H Switch
Aggressive Price
Fast Delivery
Package content:
1 x Hearing Aid
1 x Charger
1 x User Manual