The iO 3 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 to better protect your gums and alerts you to time spent brushing with too much pressure. Replace your Oral-B iO toothbrush head every 3 months for the best results. Achieve healthier gums in just 1 week with Oral-B's most advanced oral b electric toothbrushes; removes significantly more plaque than a manual toothbrush. Protect your gums with the iO pressure sensor of the oral b io3 electric toothbrush, Oral-B's only sensor to signal if you are applying the optimal pressure for an effective and safe clean. Always maximise your clean with the iO lightring timer of the electric toothbrush oral b that has a dentist recommended 2-minute brush and refill change alert. Personalise your brushing by choosing among 3 cleaning modes of the electric toothbrushes: Daily Clean, Sensitive, Whitening. Oral-B round brush heads of the oral b io toothbrush reach where rectangular manual toothbrushes don't; experience an effective clean from a brand highly used by dentists worldwide. Please note: This item includes a UK 2-pin charger, Adapter not included.