[ Guaranteed quality and service ] The product provides a one-year warranty, if there is any problem with the product, please feel free to contact us, and we will give you a satisfactory solution immediately. Your satisfaction is our top priority. [ Upgraded 320ml Detachable Water Tank & IPX7 Waterproof ] Upgraded 320ML ultra large water tank provides enough and uninterrupted oral dental flossing, and its lock system can help to remove the tank easily and cleaned thoroughly. IPX7 waterproof design make you can use it for shower in the bathroom. [ 35 Days Freedom of Use & Portable Size for Travel ] Built-in rechargeable battery, bringing 25-35 days of continuous use from a single 4-hour charge. The water dental pick features a USB charging design for more 5V 1A recharge options (Charging Adapter is NOT included). Perfect to use at home and for travel. [ 8 pcs 360°Rotatable Water Jet Tips ] Come with 8 classic water jet tips (with 2 color rings ), can last over 3 years replace or use with all family members, no worry to replace and purchase new jet tip frequently. The 360 degree rotatable nozzles design of the water floss pick allow you change any angles to clean your teeth. [ 5 Flossing Model, Ideal for Adults and Kids ] This electric water teeth pick features 5 settings of water pressure (range from 50-130psi) with low noise design (less than 50db), Deep clean your teeth, stimulate and massage the gums, you can always find a favorite mode according to your different oral care needs, even for sensitive tooth. [Super Power, Efficient Teeth Cleaning] YaFex cordless water flosser adopts high-frequency pulse technology, which can deliver up to 1600 times/minute strong water flow, quickly removing 99.9% trapped food debris between teeth that daily cleaning can’t reach.