Oral-B's best ever clean with revolutionary magnetic iO technology. The Oral-B iO 8 Series Rechargeable Toothbrush combines powerful, but gentle micro-vibrations with Oral-B's unique dentist-inspired round brush head design for a professional clean feeling every day. Oral-B’s best ever clean with revolutionary magnetic iO technology. The Oral-B iO 8 Series Electric Rechargeable Toothbrush combines powerful, but gentle micro-vibrations with Oral-B's unique dentist-inspired round brush head design for a professional clean feeling every day. The Smart Pressure Sensor helps to keep you from brushing too hard to protect your gums and enamel. AI Recognition using an interactive display helps guide you to your best clean for all areas of the mouth. A 2-minute quadrant timer comes built-in that pulsates every 30 seconds, ensuring a complete clean. The frictionless, smooth magnetic drive system transfers energy to the bristle tips for a clean that wows. Size: 1 Pack KEY FEATURES • Combines the unique round brush head from Oral-B with gentle micro-vibrations for 100% healthier gums in one week • Interactive color display signals vital information: Including brushing modes and head replacement reminder, greets you as you power up and gives you a smile for a job well done • Artificial intelligence recognizes your brushing style and guides you to cover all your teeth, so you never miss a spot • 6 smart modes to personalize your brushing: Daily Clean, Sensitive, Gum Care, Intense Clean, Whitening, Super SensitiveDo not use on children under age 3. Replace brush (head) every 3 months or sooner if brush head becomes worn.