[Upgraded 300ml Extra Large Water Tank] This water flosser uses an upgraded 300ml water tank, which has twice the capacity of other old models. There is no need to add water frequently, making your oral cleaning more convenient and efficient. 45 Days Super Long Battery LifeThis water flosser uses a powerful eco-friendly battery with twice the battery life of other products. Just charge it for 3 hoursandenjoy45daysofuse.Equippedwith2000mahcapacitybatteryandupgradedwaterpumpprovidingmorepowerfulfunctions and reducing noise. IPX7 WaterproofOur water flosser has excellent waterproof performance, making it easy to clean and safe to use in the shower. 80-120PSI Deep Teeth CleaningAdopting upgraded unique pulsation technology, our water flosser can provide 80-120PSI strong water pressure to remove dirt deep in the mouth, effectively massage gums, and promote blood circulation. It also helps with bleedinggums and bad breath, and is beneficial for orthodontics and bridge care. 3 Flossing ModesWeak - Gentle water pressure. Strong - Standard water pressure for efficient cleaning. Pulses - Pulses to deeply clean and massage the gum area. Select the gentle mode when flossing for the first time. 360 Rotating NozzleThe 360 rotating nozzle allows you to easily clean hard-to-reach areas and prevent cavities, plaque, tartar, bleeding gums and teeth.Portable and Use AnywhereOur water flosser is small and lightweight, perfect for home and on-the-go use. This water flosser comes with a USB cord (adapter not included), making it an ideal travel kit. Perfect Gift ChoiceOur dental flosser offers three convenient modes to meet the different needs of different ages while ensuring optimal performance and longevity. Its ergonomic handle and 4 interchangeable nozzles ensure a comfortable and versatileexperience. It makes a thoughtful gift for birthdays, Christmas, Thanksgiving, Valentine's Day, Father's Day, or taking care of your loved one's oral health.