sonic electric toothbrush has
Inductive rechargeable function(ul gs pse bs)
2replacement heads

SG-917sonic electric toothbrush

Specification: 
1.Power source:AC 220V or 2XAA

2.Material:ABS/TPE
3.Product size:200X100X58mm
4.Dupont nylon bristle
5.Water resistance    

6.Power consumption:3.5W  /1 W  
Features:     

1.sonic frequency, higher clean your teeth ;    

2.Changeable brush head;    
3.Over 30,000 times vibrating per minute  

4.Inductive rechargeable function;
5.Holds two toothbrush heads;