*Note: Non-original, relevant brush head1. Ultrasonic electric toothbrush can efficiently eradicate plaque and reduce gingival necrosis. 2. The appearance of the 3D brush adapts to the luster of the teeth. The small and gentle brush head is easy to the touch inside your mouth. 3. Adopt DuPont American tynex traditional 0 bristles, brush permitted via FDA and UV sterilized. 4. Vacuum packaging, medical safety standards. 5. This range is acceptable for folk who smoke or drink coffee. 6. Suitable forOclean X/ X PRO/ Z1/ F1/ One/ Air 2 /SE Electric toothbrushes. 7 you've any questions on the toothbrush model, you may consult visitor service. Thank you.