PS:Suitable for Apiyoo A7/P7/Y8/Pikachu SVP/MOLE Features: 1. Soft DuPont bristles, right for sensitive tooth to apply 2. Ultrasonic electric toothbrush can efficiently get rid of plaque and reduce gingival necrosis. 3. Adopt DuPont American tynex classic zero bristles bristles,gently on your teeth. 4 bristle tip diameter, deep clear the distance between tooth five permitted through FDA and UV sterilized. 6 sealed packing, much more safe to use. 7 update the toothbrush heads each 3 months 8 you've got any questions about the toothbrush model, you might search the advice of visitor service. Thank you. Indenpently sealed packing