Main product description The iO 5 electric toothbrush uses the best technology from Oral-B, combining a dentist-inspired round cleaning head with fine micro-vibrating bristles for a professional cleaning sensation in the comfort of your home. The smart pressure sensor helps prevent cleaning your gums too hard or too gently. Brush detection artificial intelligence technology recognizes your brushing style and guides you to better results every day. Connects to the free Oral-B app for cleaning tracking and real-time guidance through 6 brushing zones. For best results, replace the Oral-B iO brush head every 3 months.