• Oral-B's Best Ever Clean with Revolutionary Magnetic iO Technology for a professional clean feeling & gentle brushing experience with enhanced A.I. and 3D Teeth tracking capabilities. • New iO technology combines micro-vibrating bristles with Oral-B's dentist-inspired round brush head for a fresh, clean mouthfeel and 100% healthier gums in one week. • Interactive Display signals important information - including personalized brushing modes, greetings, as you power up, and gives you a smile for a job well done. • 3D Teeth Tracking with A.I to monitor your brushing across the front, top and back surfaces of your teeth; guiding you to the most thorough possible clean. Over 82% of people who brushed with Oral-B SmartSeries experienced a noticeable improvement in their oral health. • 1 Year Local Warranty Store in a cool dry place. Germany