PS:Please eavesdrop on the model: OCLEAN *Note: Non-original, relevant brush head 1. Ultrasonic electric toothbrush can effectively get rid of plaque and reduce gingival necrosis. 2. The look of the 3D brush adapts to the luster of the teeth. The small and mild brush head is straightforward to the touch inside your mouth. 3. Adopt DuPont American tynex standard 0 bristles, brush approved via way of FDA and UV sterilized. 4. Vacuum packaging, clinical safety standards. 5. This variety is appropriate for folk 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 can seek the advice of customer service. Thank you. -Vacuum packaging- null