Discover the most advanced technology in the iO series yet. This Oral-B iO Series 9 Limited Electric Toothbrush comes with the iO Sense™, a smart charger that personalizes your brushing experience with real-time feedback. The in-handle interactive color display makes it easier to select a brushing mode, lets you know if you are brushing correctly, and informs you when brush heads need to be replaced to continue to get the best cleaning results. The dentist-inspired round brush head is combined with the power of micro-vibrating bristles to provide you with a complete, purifying clean. Oral-B iO Series 9 Limited Electric Toothbrush comes with live coaching that recognizes your brushing style and makes sure you are brushing across all 6 zones of your mouth, giving you a professional clean feeling and gum care like never before. This Electric Toothbrush helps you protect your gums with its pressure sensor that alerts you when you are brushing too hard or too softly, so you can get your best clean with the right amount of pressure. With the Oral-B iO 9 Limited Electric Toothbrush you can take care of your specific needs with its 7 smart brushing settings that include Smart Adapt, Daily Clean, Sensitive, Whitening Gum Care, Intense, and Tongue Clean. Sync your iO Electric Toothbrush with the free Oral-B app to create long-term goals that will help you achieve a healthier smile. Do not use on children under age 3. Replace brush head every 3 months or sooner if brush head becomes worn. Oral-B—the #1 brand used by dentists worldwide. *Based on surveys of a representative worldwide sample of dentists carried out for P&G regularly.