Oral-B's latest electric toothbrush connects to the Oral-B app on your smartphone. The result? You'll get real-time feedback on your brushing. You'll know if you're brushing too hard, if you've brushed long enough and even if your brushing habits have improved over time. The Oral-B SmartSeries delivers clinically proven superior results, so you won't wonder if you're getting a superior clean, you'll know.