Description:
This toothbrush head can effectively eliminate stains, tartar, and dental plaque, whitening teeth, disinfecting and eliminating oral inflammatory, also it can eliminate peculiar smell, reduce bleeding and restrain atrophy of gum.
Specifications: 
Brand: TOKUYI
Type: GD-DDYS-BAT (A) 
Material: Soft Bristles
Vibration Frequency: about 7000-7600 times/min rotates or vibrates up and down
Normal cleaning mode.
Advanced electronic control and electro mechanical driving system.
Powerful plaque remover where normal bristles cannot reach.
AA 600mAH NI-MH rechargeable batteries. 
Fully charged around 10 to 18 hours.
Continuously working 1.5~2.4 hours after a single charging
Inductive charging with LED indication.
Worldwide voltage (AC100-240V/50-60Hz).
Waterproof design.
Packing List:
1x Electric toothbrush head
    http://www.finedragon.com