The iO2 electric toothbrush combines gentle micro-vibrations with a unique dentist-inspired round brush head for a professional clean feeling every day. Replace your brush heads every three months for optimal results. Achieve 100 percent cleaner teeth compared to a regular manual toothbrush with advanced technology that is tough on plaque yet gentle on gums. Designed for easy transition to electric toothbrushes with a single touch button, quiet operation, and long battery life. Protect your gums with the automatic pressure sensor that reduces speed and signals red when brushing too hard. Choose your ideal clean with three quiet intensity levels: extra gentle, gentle, and daily clean. Brush for the dentist-recommended two minutes with a timer that reminds you to switch brushing zones every 30 seconds. Benefit from a long-lasting battery with a low battery indicator. The round brush heads reach areas that rectangular manual brushes cannot. Experience a superior clean and switch now for a perfect clean.