Lower Background Hearing Sound Amplifier

Note:

1.It is forbidden to use by those patients with tympanitis or ear pyogenesis. 2. Don’t use it at high volume for

2. Don’t use it at high volume for a long time. Otherwise, it will injure your ear. If you feel uncomfortable, please stop using.

3. Please maintain the products all the time avoid ear plug and sound collecting hole being blocked by foreign objects. It will affect the effect of the sound amplifier.

4. Avoid shocking, falling the product. Don’t keep or use it in an environment of humid of high temperature.

5. Didn’t throw the scrapped battery as common rubbish, it should be handled by special equipment.

6. Please take out the battery if don’t use it for a long time. Otherwise, the components will be rotted by time rotten liquid from the battery. Please take out the battery if don’t use it for a long time. Otherwise, the components will be rotted by time rotten liquid from the battery.

7. Don’t use the products in potential explosive or dangerous environment.

8. Keep away from the children. It will injure him or others, or damage the unit.