DC 3.7V,1500mAh Lithium Battery
1.Magnetic Levitation Motor.
2.High Quality Dupont Nylon 612 bristle.
3.4 function modes(Clean,White,Polish,Sensitive) +3 Intensites can be choosed to clean the tooth.
4.2 minutes timer and 30 seconds interval time reminder
5.Vibration 38000 strokes/min
6.60-70 days runtime of battery after 7-1...