1Three gears can be changed, easy to operate, pressing once can shift gears, long pressing to turn off. 2Ushaped electronic toothbrush, fully wrap your teeth, cleaning without dead ends, caring gums and oral health. 3Designed according to the professional teeth brush method, the internal bristles have a 4570 structure design to better clean tartar, dental plaque. 4Effectively prevents gum atrophy, promotes periodontal blood circulation, and reduces the occurrence of periodontal diseases. 5You can use our product to whiten your teeth at home, remove tea and coffee stains, help you get rid of yellow teeth.