... simple.safe. 2) advanced sonic technology.23,000 strokes/min. personal massage toothbrush gift:1) portable design, fashion and simple2) advanced ... can protect the bristles very well, and more healthyParameter of personal massage toothbrush gift: product namepersonal massage toothbrush giftitem NO.ET ... , Shenzhencountry of originChinaHS code8509809000CTN Size(cm)54*26*9 personal massage toothbrush gift