PS:Please pay attention to the model: Replacement for SOOCAS *Note: Non-original, relevant brush head 1. Ultrasonic electric toothbrush can effectively get rid of plaque and reduce gingival necrosis. 2. The appearance of the 3-d brush adapts to the luster of the teeth. The small and mild brush head is simple to touch within your mouth. 3. Adopt DuPont American tynex regular 0 bristles, brush accepted by way of FDA and UV sterilized. 4. Vacuum packaging, scientific safety standards. 5. This range is acceptable for folks who smoke or drink coffee. 6. Suitable for SOOCAS X1/X3/X5/X3U Electric toothbrushes. 7 you have any questions about the toothbrush model, you might seek the advice of guest service. Thank you. -Vacuum packaging-