Gentle yet effective cleaning. Removes more plaque than a manual toothbrush. Designed to optimize performance. Innovative bristle design softly sweeps plaque away. Reminder bristles ensure your most effective clean. Engineered to maximize sonic motion. Proven to improve oral health. Part of a better oral healthcare routine.A brush head that fits multiple handles. Snap-on design for simple brush head placement. Pack of 4 replacement sensitive brush heads