PS:Please eavesdrop on the model: Replacement for OCLEAN*Note: Non-original, relevant brush head 1. Ultrasonic electrical toothbrush can efficiently get rid of plaque and reduce gingival necrosis. 2. The look of the 3-d brush adapts to the luster of the teeth. The small and gentle brush head is easy to touch within your mouth. 3. Adopt DuPont American tynex traditional zero bristles, brush approved via manner of FDA and UV sterilized. 4. Vacuum packaging, scientific security 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 on the toothbrush model, you may search the recommendation of guest service. Thank you packaging-