Rechagerable ультразвуковая зубная щетка

The ultrasonic toothbrush's working principles: Ultrasonic waves in the water make cohesive power weak,and can produce many air bubbles.These air bubbles infiltrate into brush.You just contain a mouth of pure water,then use the toothbrush directly,no need toothpaste. specification: Turning modeVibrationUltrasonic frenquency1.6MHZVibration frequency15000TIMES/MINSupply power100-240vBattery3-6v/160mAhWorking tempreture-20-40°cDimension242*80*70Weight245C/SetPower2wIndicator lightred/greenAccessoriesCharger seat(1set),Handle(1set),Brush head(3pc) 1,Why do you need anultrasonic toothbrush cleaner? Wether the dentist advice you brush your teeth for at least 2 minutes?But unfortunately, most people can't keep it.This is where an electric toothbrush can give you the advantage.The head of an electric toothbrush can deliver about 15000 vibrations per minute during a cleaning,which is far more than the average 300 vibrations per minute generally achieved with a manual toothbrush.The ultrasonic toothbrush cleaneris probably going to do a better job than you can do manually. 2,How to choose a toothbrush? step 1:The material of brush head is the most important.You should choose soft brushing,which will last a long time and not hurt your gums even you brush vigorously. step2:Select a smaller brushhead so that it can access to hard to reach areas. step3:Please replace your brushhead once every three months. If you are interested in this product or our company's other products,please contect with us.Don't be hesitated,you can rest your heart that we will do our best to satify you.