1-[EASY EFFECTIVE]: The Waterpik Water Flosser is the easy and most effective way to floss, removing up to 99.9 percent of plaque from treated areas and is up to 50 percent more effective than dental floss for improving gum health; Perfect for braces, implants, and other dental work 2-[ADVANCED CORDLESS DESIGN]: Enjoy the convenience of cordless water flossing and a waterproof design for use in the shower. custom clean, plus ultra-quiet operation 3-[5 clean modes IPX7 Waterproof Design] :The water flosser has Soft-Gentle-Normal -Strong -Pulse modes for choosing with Low-noise Design, which can meet various oral care needs.IPX7 water proof ensures the product is safe to use and prevents leaks 4-[Long Battery Lifetime Portable Design]: With the portable size and lightweight ,the Powerful Lithium Battery is able to be used Continuously for 30 days once fully charged in Just 4 hours.It brings great convenience to your travels.And the long battery life is supported by USB charging Parameters: 5 clean modes: Soft 40PSl -Suitable for beginners andsensitive teeth Gentle 80PSl -Suitable for people withbraces and children Normal 100PSl -Daily cleaning and getrid of bad breath Strong 120PSl -Deep cleans 99.99% ofplaque between teeth Pulse 40-120 PSI -High frequency pulse and powerfulwaterpressure effectively remove tartar Battery: 1800mAh with protection function Charging time: 4-6 hours Water tank capacity: 300ML Waterproof level: IPX7 Accessories : 2+3 nozzle, 1.2m charging cable, color box ,manual