The Oral-B iO 5 electric toothbrush uses Oral-B's best cleaning technology and combines a unique, dentist-inspired round brush head with gentle micro-vibrations, giving you a professional clean feeling every day. Easily choose from 5 cleaning modes directly on the display and customize your cleaning to suit your needs, helping to prevent cavities, ensure deep cleaning, freshen breath, protect gums, and whiten teeth. Replace the brush head every 3 months to maintain optimal cleaning performance.