Philips HX684 Sonicare Protective Clean Nur Handstück There may be slight scratches The patented sound technology Thanks to the unique Sonicare sonic technology, Sonicare sonic toothbrushes clean with a variety of fine high-frequency movements. With up to 62,000 brush head movements per minute, up to 7 times more plaque is effectively and gently removed than with a manual toothbrush.