Brushing will always be fun your little one! Spinbrush Tooth Tunes Jr. Kidz Bop is the only toothbrush with Music In Your Mouth technology that plays popular Kidz Bop songs to entertain your child as he/she brushes. Just turn it on and start brushing to hear how Tooth Tunes pumps two minutes of your favorite music directly through your child's teeth. straight to their head! When brushing sounds this good, it rocks! Plus, this electric toothbrush has a brush timer and an automatic shut off. Music plays for 2 minutes which is the recommended brush time. Batteries included.