The Oral-B SmartSeries 7500 Power Rechargeable Electric toothbrush with Bluetooth connectivity gives you healthier gums, stronger teeth for life. Bluetooth communication allows the brush to connect with your smartphone to give you real-time feedback on your brushing habits. With 5 unique modes and a customizable SmartRing pressure sensor that lights up when you brush too hard, the Oral-B Pro 7500 will transform the way you brush. You can even customize the pressure sensor's color. Best of all it's brought to you by Oral-B - the No. 1 brand used by dentists worldwide. use as directed with a fluoride toothpaste.