Brush Buddies Justin Bieber Singing Toothbrush features the hit Boyfriend by Justin Bieber. This toothbrush features: Soft DupontTM bristles and an ergonomic design help clean plaque in hard to reach places. Brush Head features a tongue and cheek cleaner. Contour grip provides a firm hold and comfortable brushing experience. 1 button = 1 song that plays for the dentist-recommended two minutes. Unique stand up-design keeps bristles clean.