PS:Please snoop on the model: Replacement for XIAOMI T300/T500*Note: Non-original, applicable brush head 1. Ultrasonic electric toothbrush can efficiently eliminate plaque and decrease gingival necrosis. 2. The appearance of the 3D brush adapts to the luster of the teeth. The small and mild brush head is easy to the contact inside your mouth. 3. Adopt DuPont American tynex classic 0 bristles, brush approved through FDA and UV sterilized. 4. Vacuum packaging, medical security standards. 5. This sort is suitable for people who smoke or drink coffee. 6. Replacement for XIAOMI T300/T500 Electric toothbrushes. 7 you've got any questions about the toothbrush model, you need to consult guest service. Thank you packaging-