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, delivering a professional clean feeling every day. Easily choose from five cleaning modes directly on the display and customize your cleaning according to your needs to prevent cavities, ensure deep cleaning, freshen breath, protect gums, and whiten teeth. Change the brush head every three months to maintain optimal cleaning power.