This two-in-one brushing and flossing solution will keep your smile brighter than ever. With strong water pressure of 50-120PSI, the water flosser can help you clean every corner of your mouth and remove 99.99% of tooth-staining food residue. The electric toothbrush delivers 40,000 strokes per minute and can remove up to 7 times more stains than a manual toothbrush. 3 replacement brush heads for over a year of use. The Rechargeable Water Flossing Teeth Cleaning Kit comes with 3 nozzles for your family to use. To get the best performance from your water flosser and toothbrush combo, you should replace the brush head every 3 months. Powerful batteries are built into portable cordless water flossers and sonic toothbrushes. Charging for 3 hours, it can be used for 40 daysPackage comes with USB charging cable (adapter not included) The electric toothbrush has 5 modes. Clean - for daily cleaning; White - for removing stubborn stains; Polish - for brighter teeth; Sensitive - for first-time users or sensitive teeth; Massage - to improve gum health and blood circulation.