Sunsbell Smart LED Electric Toothbrush for Adults Power Toothbrush Including 2 Sensitive Clean Brush Head (Pink) Smartly shut down in 2 minutes, 30 seconds reminder, push one button to change vibration. Adjustable Two kinds of speed, 35000 strokes per minute super high speed, sonic clean power. Bristles Materials: Dubon nylon, Super soft, 360 degree clean, can clear everyday stains on surface and crevice completely. Come with another 2 extra brush heads ,but there is no batteries. The manufacturer have passed CE/ROHS/ISO9001/ ISO13485 Quality certificates, Rest assured, safe and healthy.