Our unique technology provides efficient and delicate cleaning Strong hair vibrations make microbubbles penetrate between the teeth and clean the gum line. 2-minute cleaning corresponds to two months of manual cleaning. 31,000 brush movements per minute provide gentle tooth cleaning and tooth plate removal for daily care. It has been clinically proven that the Sonicare electric toothbrush with advanced sonic technology removes the plaque up to 3 times more effectively than the hand toothbrush. Removes the plaque from the teeth along the gum line while protecting the gums. Built-in pressure sensor protects teeth and gums The built-in pressure sensor automatically detects the pressure force, warns and automatically reduces the vibrations of the toothbrush, helping to protect your gums. The brush emits a pulsating sound that reminds of a reduction in pressure. 7 out of 10 people confirmed that this function helped them brush their teeth better. The SmarTimer countdown clock 2 minutes and QuadPacer countdown 30 seconds indicate the recommended cleaning time for individual oral areas. Easy-Start gives you the possibility to gradually, gently increase brush intensity during the first 14 with a new toothbrush. Replace the tip every three months to ensure the best results All the tips wear out over time, so it's worth paying attention to yours. DiamondClean 9000 keeps track of how long you use the tip and how often you use it. The icon at the bottom of the handle will inform you when the time comes to trade for a new one.