PS:Please pay attention in at the model: Replacement for XIAOMI T100 *Note: Non-original, relevant brush head 1. Ultrasonic electric toothbrush can effectively remove 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 simple to the touch inside your mouth. 3. Adopt DuPont American tynex standard zero bristles, brush authorized via FDA and UV sterilized. 4. Vacuum packaging, scientific security standards. 5. This kind is suitable for people who smoke or drink coffee. 6. Suitable for XIAOMI T100 Electric toothbrushes. 7 you've any questions about the toothbrush model, you should consult visitor service. Thank you. -Vacuum packaging-