Up to 6x more plaque removal versus a manual toothbrush. Number one recommended power toothbrush brand by Dental Professionals. Genuine Philips Sonicare rechargeable electric toothbrush replacement heads compatible with all Philips Sonicare click-on rechargeable toothbrush handles. 2 minute SmarTimer with QuadPacer ensure Dentist-recommended brushing time. Pressure sensor and two intensity settings protect sensitive gums from overbrushing. Removes up to 5x more plaque vs. a manual toothbrush. Battery life up to 14 days.