Deep Clean Teeth & Improve Gum Health: With its unique pulsation technique, this water flosser provides 1400-1800 times/min high-pressure water pulse, 30-120PSI strong water pressure, can remove 99.99% of deep food residue, massage gum-line to promote blood circulation for healthier gums. 3 Flossing Modes: Featuring 3 pressure settings from gentle to maximum clean, this cordless water flosser is perfect for anyone with braces, implants, crowns, or periodontal pocket. Please select “Soft“ mode when using the dental flosser for the first time. 300ML Water Tank Capacity & IPX7 Waterproof: 300ML large capacity water tank for this flosser eliminates the trouble of filling water repeatedly, allowing you to take care of your mouth in one step. IPX7 waterproof level and with double sealing ring, reliably prevents water leakage, can be used when showering, etc. Long Lasting Battery & USB Charging: The cordless design makes it easy to use at home and on the go. Equipped USB cable is ideal for home, travel, office or business trips.   Package Contents 1 x Water Flosser 4 x Replacement Nozzle 1 x AC Adapter 1 x Charging Cable 1 x Storage Bag 1 x User Manual