Have fun brushing! Cleans teeth with extra soft bristles surrounding each tooth. Small oscillating head with extra soft bristles: The brush head motion cleans teeth and gently sweeps away plaque. Easy to use on/off buttons. Slip easy hold handle design: Easy hold for comfort and control. 2 replaceable AAA alkaline batteries: Included in each brush. Do not mix alkaline, standard or rechargeable batteries. Brush sits flat on the counter to keep the brush head clean. Dentists recommend replacing your toothbrush every 3 months. Brush head is not replaceable.