Power up to a better clean with the Oral-B Pro-Health Clinical Battery Power Toothbrush. Your teeth and gums will feel pampered because you're removing more plaque than a regular manual toothbrush each time you brush. 2 AA Batteries included. Replace brush head every 3 months. Compatible with Oral-B Replacement Brush Heads: CrossAction, Sensitive Gum Care, FlossAction, 3D White. For best results use with Crest Pro-Health products: Crest Pro-Health Toothpaste, Crest Pro-Health Mouthwash and Oral-B Pro-Health Floss. Oral-B recommends brushing with Crest Toothpaste for optimal results.