Description of the invention But what exactly is the DivaBrush and what makes it special? But here it comes the best part and also funniest. Inside the handle there is a small waterproof speaker. If you brush badly, the DivaBrush starts playing …. loudly and the worst you brush your teeth the more off-key it sounds. The only way to calm the diva is by brushing your teeth properly. When you brush them well it stays silent and peaceful. and a person holding it happy make the brush pink surrounded by music notes Ok See more