The Oral-B Plaque Remover Pulsar toothbrush is battery operated and provides superior plaque removal with micro-pulse bristle vibrations versus a regular manual toothbrush. The vibrating bristles on this toothbrush help break up plaque between teeth. The split head design moderates the amount of pressure applied to your teeth and gums. Power tip bristles on the toothbrush head reach deeper and provide a precision clean behind teeth. Oral-B is the #1 Toothbrush Brand Used by Dentists Worldwide. Oral-B toothbrush color may vary. A new toothbrush cleans 95% better in hard-to-reach areas*, remember to change your toothbrush every 3 months. *vs one 3 months old; research with a flat trim toothbrush