- iO technology that combines gentle micro-vibrations with a dentist-inspired round head. - 360 intelligent pressure sensor that indicates whether brushing is too hard, too soft, or just right. - Offers 3 cleaning modes to adapt to your needs: Daily Clean, Sensitive Teeth, and Whitening. - Integrated 2-minute brushing timer that alerts every 30 seconds to change zones. - Advanced technology with individually driven filaments in a professional round head. - Helps achieve cleaner teeth and healthier gums than a conventional manual toothbrush. - The package includes 1 iO 3 electric toothbrush handle and 1 replacement head.