Oral-B iO Series 8 Electric Toothbrush with 3 Brush Heads, Violet AmetrineThe Oral B iO Series Rechargeable Toothbrush combines powerful, but gentle micro vibrations with Oral B's unique dentist inspired round brush head design for a professional clean feeling every day. The Smart Pressure Sensor helps to keep you from brushing too hard to protect your gums and enamel. AI Recognition using an interactive display helps guide you to your best clean for all areas of the mouth. A 2 minute quadrant timer comes built in that