100 Percent CLEANER TEETH than a regular manual toothbrush with Oral-B’s iO Technology: TOUGH ON PLAQUE, GENTLE ON GUMS DESIGNED FOR AN EASY SWITCH TO ELECTRIC BRUSHES with only 1 touch button, quiet sound, and long-lasting battery PROTECT YOUR GUMS with the AUTOMATIC GUM PRESSURE SENSOR that slows down speed and signals red when you brush too hard EASILY CHOOSE YOUR OPTIMAL CLEAN with 3 QUIET INTENSITY LEVELS: extra-gentle, gentle, daily clean BRUSH FOR DENTIST-RECOMMENDED TIME with 2-MIN BRUSH TIMER that alerts you every 30 seconds to change your brushing zone