Gentle yet effective clean with up to 62,000 bristle movements per minute; Sonicare Fluid Action supports the bristles to clean by driving fluid deep between teeth and along the gumline This electric toothbrush has a smart optic sensor to detect excessive pressure; if you're brushing too hard, it will let you know through gentle vibrations to ease off the pressure & protect your gums Enhance your oral care routine with 12 brushing settings; select from 4 modes − Clean, White+, Gum Health, and Deep Clean+ − and adjust to one of three intensity levels for a personalized clean Achieve your oral health care goals with the Sonicare toothbrush and app: the two pair seamlessly to deliver guided brushing, tips and tricks, and content personalized to you Brush head replacement reminder tracks how often and how hard you brush, then reminds you to replace your brush head once it's time; dental professionals recommend changing your brush head regularly Rechargeable toothbrush providing up to 14 days of regular brushing on a full charge; keep your toothbrush protected with the included travel case