Meet the Oclean One Electric Toothbrush: a powerful device that lets you achieve a deep clean every time. It is IPX7 waterproof and lasts 3.5 hours on a full charge. The Oclean One combines with your smartphone to recommend brushing plans.
The device has 3 cleaning modes, white & massage modes, and 4 intensity levels. Sets you back under $100 at this time.