• Combines powerful and gentle micro-vibrations with a dentist-inspired round head for a professional clean. • Helps remove up to 100% more bacterial plaque along the gum line than a manual toothbrush. • Bristles with a precise 16-degree angle to reach and clean the most difficult areas of the mouth. • Indicator bristle technology that changes color to signal the optimal time for replacement. • It is recommended to change the brush head every 3 months to maintain maximum cleaning performance. • Designed exclusively to ensure a perfect fit and optimal operation with Oral-B iO handles. • The package includes 4 replacement heads in white.