Oral-B Advanced Power 400 is clinically proven to remove more harmful plaque than an ordinary manual toothbrush. Your teeth and gums will feel pampered because you're removing more plaque than an ordinary manual toothbrush. Oral-B Advanced Power 400 has unique oscillating brush head technology coupled with Patented interdental tip bristles that help you penetrate hard-to-reach areas. Oral-B Advanced Power 400 helps to prevent gum disease and tooth decay. High-speed oscillations Non-slip grip Indicator bristles. Whats In The Box?Oral-B Advance Power Toothbrush 2 x AA Duracell batteries (Easily Replaceable)