The Philips Sonicare 3100 Rechargeable Sonic Toothbrush is a powerful and effective toothbrush that removes up to 100% more plaque than a manual toothbrush. It features a sonic technology that produces 62,000 brush strokes per minute, which helps to break up and remove plaque and bacteria. The toothbrush also has a timer that helps you brush for the recommended two minutes, and a pressure sensor that alerts you if you are brushing too hard. The toothbrush is easy to use and comfortable to hold. It comes with two brush heads, a travel case, and a charger. It is a great toothbrush for anyone who wants a powerful and effective way to clean their teeth.