The iO 5 electric toothbrush features Oral-B's best technology, combining a dentist-inspired round brush head with micro-vibrating bristles for a professional purifying clean feel at home. The Smart Pressure Sensor helps prevent you from brushing either too hard or too softly, protecting your gums. A.I. Brushing Recognition recognizes your brushing style and guides you to better brushing every day. Connects to the free Oral-B App for real-time brush tracking and guidance across 6 brushing zones. Replace your Oral-B iO toothbrush head every 3 months for the best results. It offers Oral-B’s best ever clean with revolutionary iO technology for a professional purifying clean feeling and gentle brushing experience. It combines the unique round brush head from Oral-B with gentle micro-vibrations for a fresh, clean mouthfeel and 100% healthier gums in one week compared to a regular manual toothbrush. Choose from 5 brushing modes to personalize your brushing: Daily Clean, Intense Clean, Whitening, Sensitive, and Super Sensitive. Artificial intelligence recognizes your brushing style and guides you to cover all your teeth, ensuring you never miss a spot. The Smart Pressure Sensor signals red, white, or green to alert you whether you’re brushing too hard, too softly, or with just the right amount of pressure. This item includes a UK 2-pin charger; an adapter is not included.