Experience a superior clean with Philips Sonicare's advanced Sonic technology, removing up to 3x more plaque than a manual toothbrush. This sonic toothbrush features a built-in battery with an impressive 14-day life, ensuring convenience and consistent performance. The SmarTimer and QuadPacer guide you to brush optimally for the dentist-recommended two minutes, with 30-second intervals for each quadrant of your mouth. Its ergonomic design provides a comfortable grip, and the Easy-Start feature gently eases you into the transition from manual brushing. Designed for adults, this sonic toothbrush offers a soft brushing mode for a safe and gentle experience. Enjoy a powerful yet gentle clean every day. Key Features: - Up to 3x better plaque removal than a manual toothbrush - Advanced Sonic technology for a powerful clean - SmarTimer and QuadPacer for optimal brushing guidance - 14-day long-lasting battery life - Ergonomic design for comfortable handling - Easy-Start to ease the transition Product Summary: Philips Sonicare HX3651/12, Sonic toothbrush for adults, soft brushing mode, built-in rechargeable battery, 14-day battery life, SmarTimer, QuadPacer, Easy-Start.