PS:Please pay attention in on the model: XIAOMI T300/T500 *Note: Non-original, applicable brush head 1. Ultrasonic electrical toothbrush can effectively eliminate plaque and decrease gingival necrosis. 2. The look of the 3-D brush adapts to the luster of the teeth. The small and delicate brush head is straightforward to the contact within your mouth. 3. Adopt DuPont American tynex basic 0 bristles, brush authorised via way of FDA and UV sterilized. 4. Vacuum packaging, clinical security standards. 5. This variety is suitable for folks who smoke or drink coffee. 6. Suitable for XIAOMI T300/T500 Electric toothbrushes. 7 you've any questions about the toothbrush model, you might seek the advice of visitor service. Thank you. -Vacuum packaging-