Oral-B Complete Battery-Powered Toothbrush features a rotating powerhead that loosens and whisks away plaque from surfaces, gumline and back teeth while CrissCross bristles reach deep between teeth to lift out and sweep away plaque. Brush head contains Soft Bristles. Brush heads should be replaced every 3 months. Compatible with Oral-B Deep Clean, Pro-Health and 3D White replacement heads. AA Battery included. Product information is provided by the product vendor. This content is a summary for informational purposes only and does not have all possible information about this product. It should not be used as a substitute for advice from health care professionals, as this information alone does not assure that this product is safe, effective, or appropriate for you. For more detailed information on this product, including reported and possible side effects and contraindications, refer to the manufacturer's monograph, or speak with a health care provider.