The iO 5 electric toothbrush features Oral-B's best technology, combining a dentist-inspired round head with micro-vibration fibers for a professional feel of thorough cleaning at home. The Smart Pressure Sensor helps you brush neither too hard nor too gently to better protect your gums. Brushing Recognition with artificial intelligence recognizes your brushing style and guides you to brush your teeth better every day Connects with the free Oral-B app for real-time toothbrush monitoring and guidance in 6 brushing zones.