【Improve Gum Health and BrightensTeeth】 With 50-120PSI strong water pressure ，This water flosser helps you clean every corner of your mouth and cleans away 99.99% of teeth stain food residue，massage the gum effectively and promoting blood circulation. Also helpful for sensitive teeth,brace and bridge care.【Multiple Cleaning Modes For Your Choice】 Soft - for gentle cleaning of sensitive gums, the water pressure will be 50-70psi. Normal - For normal cleaning. With strong water pulses to remove smaller particles between tooth the water pressure will be 70-90psi. Potent - for people who have high requirements of teeth and gum cleaning.the water pressure will be 90-120psi. Please choose soft mode when you use this electric flosser at the first time.【300ML Detachable Water Tank & IPX7 Waterproof 】 300ML large water tank provides enough and uninterrupted oral dental flossing .With double-sealing rings, This cordless water flosser Picks prevent water leakage reliably, can use for shower in the bathroom and .The water tank is detachable so you could clean it easily .【Powerful battery & Long Battery Life 】Powerful battery was built in this water teeth cleaner pick . 3 hours charging can be used 40 days! Package comes with USB charging Cable(Adapter Not Included)Which is compatible with 5V1A Adapter or applicable to a USB port, such as power bank, laptop.etc. Great for carrying and traveling .【6 PCS 360°Rotatable Water Jet Tip 】 This water flosser is equipped with 5 nozzles which can be used with your family . 360° rotatable nozzle design allows you to easily clean the interior side that are difficult to reach . (SUGGESTION: To Keep Hygiene, it's recommended to replace the nozzle 3 month)