product description: * Note: Non-original, suitable for brush head (The bristles are neutral bristles, which are more durable and feature stronger cleaning power.) 1. Ultrasonic electric toothbrush can effectively eliminate plaque and decrease gum necrosis. 2. The appearance of the 3-d brush is tailored to the gloss of the teeth. The small and gentle brush head is straightforward to touch in your mouth. 3 DuPont traditional tynex bristles 0, FDA authorized bristles, and UV disinfection. 4 packaging to meet scientific security standards. 5. This diversity is suitable for people who smoke or drink coffee. 6. Suitable for MIJIA T100 electrical toothbrush.