产品描述
Battery type:2 x AA Alkalinity battery
Battery lifespan: 150 minutes under normal conditions
US Dupont Tynex, soft , end-rounded bristle
Left and right of rotating angle of degree: 60
Rotating speed :5,000 times/minute
Completely waterproof design
Replacement brush head every three months
If you use your own pattern, you need to pay extra USD650
If you need the battery, you need to pay extra USD0.3/a set