Double Noise Reduction Hearing Amplifiers Intelligent audio processing, dual filters, remove all kinds of noise.

One button switches three different modes, no matter at home, on the road or in the vegetable market, it can easily reduce noise Cycle Charge Use It is a USB charging hearing aid, no need to replace the battery frequently.

It can be fully charged for about 2-4 hours, can be used for 80hours, and the battery life is 5 years.