展开Highlights: Gentle yet effective to whiten teeth in just 1 week vs. a manual toothbrush Protect your teeth with a pressure sensor that gently pulses to alert you when you're brushing too hard Always know when to replace your brush head with the replacement reminder Personalize brushing with 3 intensities and modes: Clean, White and Gum 2-minute timer with quadpacer helps ensure recommended brushing time Better checkups guaranteed