1. This product can be charged with a USB charger, computer, portable power supply, etc.

2. If you do not use this product for a long time, please disconnect the power supply to ensure the normal lifespan of the product.

3. To ensure the stability of the product, it is recommended to use an authentic 5V-2A charger or a 5V-2A portable power supply.

4. It is prohibited for infants and small children to put this product in their mouths to avoid any injuries!

Features:

• The smart frequency microprocessor can control the emission of the ultrasonic generator, with 8 different ultrasonic zones and can change randomly.