Philips HX3631/06 is a sonic toothbrush with a familiar brushing motion and brush head shape of a manual toothbrush, but with the cleaning power of over 15,000 strokes per minute. It is clinically proven to be safe and gentle, and helps to improve gum health, reduce cavities, remove plaque, and whiten teeth. The toothbrush comes with a 2-minute timer to help ensure the recommended brushing time, and a 1-year limited warranty.