Oral-B's BEST CLEAN with REVOLUTIONARY iO TECHNOLOGY for a professional-quality clean and smooth brushing experience;Combines Oral-B's unique round brush head with gentle micro-vibrations for a fresh, clean mouth feeling and 100% healthier gums in one week compared to a regular manual toothbrush;The INTERACTIVE DISPLAY shows essential information including brushing modes and brush head replacement reminder;Welcomes you when switched on and gives you a smile for a job well done;ARTIFICIAL INTELLIGENCE recognises your brushing style and guides you to clean every tooth and no area missed;5 MODES to personalise your brushing: Daily Clean, Sensitive, Gum Care, Intense, Whitening;The IMPROVED SMART PRESSURE SENSOR lights up red, white or green to let you know when you're brushing too hard, too soft, or just the right amount of pressure;Contents: 1 iO 6 handle with 2 attachments, 1 travel case, 1 charger, and 1 refill holder.