This is real time personalized coaching.
Having 4 Brush Modes (Daily Clean, Whiten, Sensitive, and Super Sensitive) Oral-B is on your team for your everyday brushing task. The Oral-B iO Series 4 coaches you to a perfect clean.The Oral-B's quadrant timer breaks the two minutes up into four 30-second intervals to clean each quadrant of your mouth; we keep the time, so you donâ??t have to. Delivering the perfect pressure is done by having a Pressure Sensor .