Genuine Philips Sonicate rechargeable electric toothbrush head compatible with all Philips Sonicate click-on rechargeable toothbrush handles#1 Recommended power toothbrush brand by Dental ProfessionalsUp to 6x more plaque removal versus a manual toothbrushPower tip targets plaque along the gum lineBrush Sync mode-pairing & replacement reminders when used with a Brush Sync compatible handle (Diamond Clean Smart or Protective Clean)