Features:1. The use of high-quality digital chips can effectively reduce noise and reduce noise damage to eardrums.2. The dynamic speaker design allows the received sound to be processed to make the sound clearer.3. 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.4. With storage box, easy to carry out, small size provides more convenience.5. The sound guide wire can be bent and rotated 360 degrees, making it comfortable to wear on either left or right side.6. 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-ter.