The iO is Oral-B’s best technology: Clinically Proven 500% More Plaque Removal Along Gumline versus a manual toothbrush. The i04 coaches you to a personalized perfect clean and is on your team for everyday brushing task. The accompanying App shows your daily brushing report. A rounded head and gentle micro-vibrations brush with the magnetic interaction delivers smooth, harmonious motion through a synchronized cleaning action (micro-vibrations synced with oscillations). A built-in two minute timer ensures an even easier experience, helping you get an optimal clean on all your teeth. Delivering the perfect pressure is done by having a pressure sensor. The pressure sensor Indicates optimal cleaning pressure and warns of over pressure. Comes complete 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 brand used by dentists worldwide.