The Oral-B ProfessionalCare? 7000 Series combines a compact round brushhead with a unique pulsing 3D action to help prevent and even reverse gum disease. The combination of high speed pulsations and the oscillating rotating technology pioneered by Oral-B has been shown to reduce plaque and gingivitis more effectively than a manual toothbrush. Features: Unique 3D Cleaning Action: With two simultaneous brushing motions, the Oral-B ProfessionalCare? 7000 Series cleans deep and removes significantly more plaque than a manual toothbrush. Pulsations: The brush head moves in-and-out 40,000 times per minute reaching deep to loosen plaque. At over 660 movements per second, it's the fastest pulsating toothbrush in the world! Oscillations: Simultaneously, the brush head moves side-to-side 8,800 times per minute to whisk away plaque. Compact Round Brush Head surrounds each tooth for a thorough clean. 2 Minute Timer 30-second Professional Timer Pressure Sensor 1 Precision Clean brush head plus one bonus Dual Clean brush head Full Charge Indicator