Philips HX9924/15 Electric Toothbrush "Sonicare Diamond Clean" Black; Release Date: Early September 2017; Removes up to 10 times more than just hand brushing; Install a premium clean brush head to experience high teeth removal power. ● Rubber flexible sides fit teeth and gums and allow up to 4 times the surface area in contact with teeth. ● Removes up to 10 times plaque in hard to reach areas. Promotes gooth health in just 2 weeks; To promote grooming health, install a premium gum care brush head. The round cut fits the teeth row and is gentle on the gums, and the soft ends remove the plaque on the gum edge. Removes up to 5 times more stain than hand polished in 3 days; To remove stains on the surface of the teeth, and get a smile with white teeth, install a premium white brush head. ● Dense center stain removal brush removes stains and leads to natural white teeth. For breath prevention; Over 200 micro uneven pieces gently remove dirt on the tongue and care for your breath odor. Bullet that lack of brushing in real time.