product description: 1. Ultrasonic electrical toothbrush can effectively remove plaque and reduce gingival necrosis. 2. The appearance of the three-D brush adapts to the luster of the teeth. The small and mild brush head is easy to touch within your mouth. 3. Adopt DuPont American tynex common 0 bristles, brush approved by technique of FDA and UV sterilized. 4. Vacuum packaging, clinical security standards. 5. This variety is appropriate for folks who smoke or drink coffee. 6. Suitable for soocare X3 and soocas X3 electric toothbrushes. Packages include: 2 x Toothbrush Heads