PS:Please eavesdrop on the model: XIAOMI T100*Note: Non-original, applicable brush head 1. Ultrasonic electric toothbrush can effectively eradicate 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 0 bristles, brush accredited via FDA and UV sterilized. 4. Vacuum packaging, scientific safety standards. 5. This type is suitable for people who smoke or drink coffee. 6. Suitable for XIAMIO T100 Electric toothbrushes. 7 you have any questions about the toothbrush model, you might seek the advice of guest service. Thank you.