PS:Please hear in on the model: OCLEAN *Note: Non-original, relevant brush head 1. Ultrasonic electric toothbrush can effectively remove plaque and reduce gingival necrosis. 2. The appearance of the 3-d brush adapts to the luster of the teeth. The small and delicate brush head is straightforward to the contact within your mouth. 3. Adopt DuPont American tynex regular 0 bristles, brush authorised via FDA and UV sterilized. 4. Vacuum packaging, medical safety standards. 5. This type is acceptable for folks who smoke or drink coffee. 6. Suitable for Oclean X/ X PRO/ Z1/ F1 Electric toothbrushes. 7 you've got any questions about the toothbrush model, you possibly can search the advice of shopper service. Thank you. -Vacuum packaging- null