The Oral-B Sensitive Clean replaceable brush head provides a gentle brushing experience designed specifically for kids**. Replace the brush head every three months (or sooner if brush head becomes worn) with other compatible Oral-B Kids premium replacement brush heads. Replaceable AA batteries included. Oral-B is the #1 dentist-recommended toothbrush brand worldwide.
*vs Oral-B Character-Designed Kids Battery Toothbrushes
** Do not use on children under age 3