product description: * Note: Non-original, compatible for brush head (The bristles are impartial bristles, which are more durable and feature more potent cleansing power.) 1. Ultrasonic electrical toothbrush can effectively eradicate plaque and decrease gum necrosis. 2. The appearance of the 3-d brush is adapted to the gloss of the teeth. The small and mild brush head is easy to the touch on your mouth. three DuPont standard tynex bristles 0, FDA accredited bristles, and UV disinfection. four packaging to meet clinical safety standards. 5. This kind is appropriate for folk who smoke or drink coffee. 6. Suitable for MIJIA T100 electrical toothbrush.