The Oral-B iO2 electric toothbrush combines gentle vibrations with a round brush head for effective but gentle cleaning Cleans more effectively than a regular manual toothbrush A great introduction to using an electric toothbrush, with one button and a durable battery 3 quiet cleaning modes: super sensitive, sensitive and daily cleaning Automatic gum pressure sensor - a red light indicates if you are pressing too hard and the toothbrush slows down The 2-minute timer vibrates every 30 seconds so you know to move to the next part of your mouth Long-lasting Li-Ion battery with low battery indicator 2-year warranty