PS:Please listen in at the model: OCLEAN *Note: Non-original, relevant brush head 1. Ultrasonic electric toothbrush can efficiently get rid of plaque and decrease 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 touch within your mouth. 3. Adopt DuPont American tynex traditional zero bristles, brush accepted through FDA and UV sterilized. 4. Vacuum packaging, scientific safety standards. 5. This variety is appropriate for folks who smoke or drink coffee. 6. Suitable for Oclean X/ X PRO/ Z1/ F1 Electric toothbrushes. 7 you've got any questions on the toothbrush model, you possibly can seek the advice of guest service. Thank you. -Vacuum packaging- null