Product description: -Ultrasonic electric toothbrush can effectively remove plaque and reduce gingival necrosis. -The appearance of the 3D brush adapts to the luster of the teeth. The small and delicate brush head is easy to touch inside your mouth. -Adopt DuPont American tynex classic 0.152mm bristles, brush approved by FDA and UV sterilized. -Vacuum packaging, medical safety standards. -This type is suitable for people who smoke or drink coffee. -Suitable for soocare X3 and soocas X3 electric toothbrushes. Packages include: 8 x Toothbrush Heads