1.Insert 1AA alkaline super power batteries;
2. Dip the bristle in some water and put the toothpaster on it;
3. Put the bristle on the toothbrush head and swith on the button;
4. the dentists suggest to use at lease 2 minutes to brush the teeth, brushing the outside first and the inner side of the chew side
5. Wash the toothbrush with some water and dry it;
6. Replace the brush attachment every three months for the best brushing results.