Oral B Smart 4 Electric Toothbrush Pro 4900 Duo 2 per packExperience Oral B Smart 4, from the brand that brought you the first ever connected rechargeable toothbrush. The sleek white handle of the Smart 4 electric toothbrush improves your brushing habits. It seamlessly connects with the Oral B app in your phone and guides you with real time feedback to brush better. While you are improving your brushing routine, Oral B's unique round head does all the rest. It removes up to 100% more plaque than a standard