Oral-BiO3SRhe electric toothbrush Oral-B iO3 electric toothbrush features Oral-B's best technology, combining a dentist-inspired round brush head with micro-vibrating bristles for a professional clean feeling at home. The smart pressure sensor prevents you from brushing too hard or too soft to protect your gums and get the best cleaning. The Smart Pressure Sensor notifies you that you've spent too much time brushing with too much pressure. Replace your Oral-B iO Series refill brush heads every three months for best results. Oral-B's best-ever cleaning with revolutionary iO technology for a professionally clean feel and gentle brushing experience Combines the unique round brush head from Oral-B with gentle micro-vibrations for a clean and fresh feeling and 100% healthier gums within a week compared to a. standard manual toothbrush- 3 brushing modes to make brushing more personal: Daily Clean, Sensitive, Whitening- Improved smart pressure sensor glows red, white or green so you can see if you are brushing too hard, too soft or with the right pressureContents: 1 iO3 electric toothbrush, 1 brush head, 1 charger, 1 brush head holder