Philips Sonicare ProtectiveClean 5100 toothbrush improves gum health up to 100% more than a manual toothbrush, offering three cleaning modes, sonic technology with dynamic cleaning action, a slim angled neck and an easy-grip handle. It works for up to two weeks on a single charge, with an Easy Start program that adjusts the power level over the first 14 uses—up to 31,000 brush strokes per minute.