Super soft DuPont brush
For children who have just lost or have long teeth,the soft brush can reduce the stimulation of the gums and help the child to change the period of teeth.Edible DuPont brush

5V safe voltage
We are most concerned about baby safety, 6 safety designs, output over-current protection, output over-voltage protection, anti-overcharge protection, anti-reverse protection, electric shock protection, and battery short circuit protection.