Oral-B iO5 Electric Toothbrush with Magnetic and Micro-Vibration Technology, Artificial Intelligence, Conversational Display, Smart Pressure Sensor, 5 Modes, 1 Head, Travel Kit, Black + 2 Brush Heads THE SMART PRESSURE SENSOR signals red, white or green to warn you if you are brushing too hard, too slow or with the right pressure 5 BRUSHING MODES to customize your brushing: Daily Brushing, Intensive Clean, Whitening, Sensitive, Super Sensitive THE INDICATOR LIGHT informs you when it is time to change the brush head, to achieve the best results