The Oral-B iO Series 4 Rechargeable Electric Toothbrush with Toothbrush Head, Black, 1-count, is Oral-B's best technology: clinically proven 500% more plaque removal along gumline versus a manual toothbrush. The i04 electric toothbrush coaches you to a perfect clean. The accompanying app shows your daily brushing report. This rechargeable electric toothbrush has 4 brush modes (Daily Clean, Whiten, Sensitive, and Super Sensitive). The Oral-B iO4 toothbrush features a round head and gentle micro-vibrations, the magnetic interaction delivers smooth, harmonious motion through a synchronized cleaning action (micro-vibrations synced with oscillations). A built-in 2-minute timer ensures an even easier experience, helping you get an optimal clean on all your teeth. The Oral-B's quadrant timer breaks the two minutes up into four 30-second intervals to clean each quadrant of your mouth. This electric toothbrush has a pressure sensor that indicates optimal cleaning pressure and warns of over pressure. With an accompanying travel case, you'll have a fresh clean everywhere you go. Best of all, it is brought to you by Oral-B-the #1 toothbrush brand used by dentists worldwide. * *Based on surveys of a representative worldwide sample of dentists carried out for P&G regularly.