PS:Please pay attention to the model: OCLEAN *Note: Non-original, applicable brush head 1. Ultrasonic electrical toothbrush can effectively eliminate plaque and decrease gingival necrosis. 2. The appearance of the 3D brush adapts to the luster of the teeth. The small and gentle brush head is straightforward to touch within your mouth. 3. Adopt DuPont American tynex regular 0 bristles, brush permitted by way of FDA and UV sterilized. 4. Vacuum packaging, medical safety standards. 5. This form is acceptable for folk who smoke or drink coffee. 6. Suitable for Oclean X/ X PRO/ Z1/ F1 Electric toothbrushes. 7 you've any questions about the toothbrush model, you may search the advice of visitor service. Thank you. -Vacuum packaging- null