[Deep cleaning, improved gum health, fresh breath] The water flosser uses advanced 0.3mm+0.3mm ultra-fine double-thread water pulse technology, which is professionally recognized by the American dental team. This water flosser delivers high water pressure pulses at 1400-1800 times per minute, effectively removing 99.9% of plaque for a deep dental clean. This water flosser can massage gums and solve oral problems such as bad breath and dental correction[Upgraded 300ml extra large water tank, no need to add water frequently] This water flosser uses an upgraded version of 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.30 Days Long Battery Life, Portable Use AnywhereThis water flosser has a powerful environmentally friendly battery with twice the battery life of other products. Just charge it for 3 hours and enjoy 30 days of use. It's 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. Thanks to the extra-long 30-day battery life, making it a truly portablesolutionforyourconvenienceIPX7 Waterproof & 3-Year Lifetime GuaranteeOur cordless water toothpicks feature superior waterproof performance, making them easy to clean and safe to use in the shower.