PS:Please listen in on the model: XIAOMI T300/T500 *Note: Non-original, relevant brush head 1. Ultrasonic electrical toothbrush can effectively eliminate plaque and reduce 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 contact inside your mouth. 3. Adopt DuPont American tynex classic 0 bristles, brush approved by way of technique of FDA and UV sterilized. 4. Vacuum packaging, clinical security standards. 5. This type is acceptable for people who smoke or drink coffee. 6. Suitable for XIAOMI T300/T500 Electric toothbrushes. 7 you've any questions on the toothbrush model, you may seek the advice of guest service. Thank you. -Vacuum packaging-