Travel Sonic toothbrush

This travel sonic toothbrush can :
1.Over20,000 times vibration per minute
2.Ultrasonic frequency, high efficient clea
travel sonic toothbrush
Specification:
1, 1X AAA battery
2.Material: ABS
3.Product size:162X19.5X19.5mm
4. Dupont nylon bristle
5, weight:28g
Features :
1.Over20,000 times vibration per minute
2.Ultrasonic frequency, high efficient cleaning
3.Inductive rechargeable function
4.changeable toothbrush head and battery
5. waterproof and slippery
6.slim design can be puted into pocket