Rechargeable Digital Hearing Aid Severe Loss Ear Aid HIGH-POWER Sound Amplifier

Features:
-The use of high-quality digital chips can effectively reduce noise and reduce noise damage to eardrums.
-The dynamic speaker design allows the received sound to be processed to make the sound clearer.
-Hearing aids can be charged for 3 hours and can be used for 25 hours. The rechargeable storage case is fully charged and can charge the hearing aid 4-5 times. 
-With storage box, easy to carry out, small size provides more convenience.
-The sound guide wire can be bent and rotated 360 degrees, making it comfortable to wear on either left or right side.
-It adopts in-ear detection, suitable for people with different ear canals. Put it into the ear, it will automatically open and close, almost invisible, and will not burden the ears with long-term use.

Use tips:
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of  earplugs and plugged, make sure no air leakage.
5.Clean the hearing aid microphone with a small brush frequently to maintain the quality of the hearing aid.
6.Remove the battery if you don't use it for long time.