Hello, manual toothbrush. Hello sonic technology! Up to 3 times better plaque removal. Sonic technology combined with our brushing action gently removes plaque up to 3 times better than a manual toothbrush. Designed for you - Ergonomic design makes the toothbrush easy to hold and use - Goodbye adapter. Hello USB! - Battery that lasts 14 days Get the best possible results with brushing your teeth Optimize your brushing with SmarTimer and QuadPacer Easy transition to Sonicare Easy-Start to facilitate the transition. Protects the gums Safe and gentle to use . Provides superior cleaning - Up to three times better plaque removal than with a manual toothbrush - Our unique technology gives you thorough but gentle cleaning< /p>