Oral-B Power iO Series 9 Electric Toothbrush - Black Onyx, Rechargeable with 4 Brush Heads & Travel Charging Case

- Combines micro-vibrations with a dentist-inspired round brush head design for effective cleaning - Smart pressure sensor prevents excessive brushing, protecting gums and enamel - 3D teeth tracking and AI recognition for personalized cleaning guidance - Interactive color display for easy navigation and real-time feedback - Built-in 2-minute quadrant timer pulsates every 30 seconds to ensure thorough clean - Frictionless magnetic drive system for efficient energy transfer to bristle tips - Recommended replacement of brush heads every 3 months for optimal performance