24 Months Warranty - During the Warranty period, please contact bitvae fast and friendly Customer Service Team if you have any question, we will do our best to sovle any problem to your satisfaction. More Ergonomic Design -The compact size of this water dental flosser makes it perfect for travel and small bathrooms. The connection line is higher than the traditional water tank, preventing the bottom from being too large and heavy. Advanced 40-Day Battery Life - Battery life can last up to 40 days in the lowest pressure mode, while most similar water flosser can only last up to 10 days of use. The cordless design makes it convenient to use both at home and on the go. Wide Mouth Reservoir Easy to Clean - Keeping your water flosser clean is just as important as keeping your mouth clean. With the upgraded detachable wide mouth water tank, users can completely clean the water fouling in the tank, which is impossible for the traditional water flosser with a small mouth water tank. Innovative Jet Mode Effectively Cleans Teeth - Based on professional recommendations and user experience, Jet Mode provides precise and deep cleaning for hard-to-reach areas, effectively eliminating dental blockages. Regular use can leave your mouth feeling refreshed and your breath smelling great. Special Gum Care with Massage Mode - The Massage Mode is specifically designed to massage gums and improve gum health. The adjustable water pressure frequency stimulates blood flow, giving your gums a healthy and vibrant boost. We recommend using this mode 2-3 times a week. 15 Optional Modes Enable Personalized Deep Cleaning - This cordless water flosser provides a range of 15 optional modes for personalized deep cleaning. With 3 modes and 5 intensities available, it ensures a customized and comfortable cleaning experience. The inclusion of 5 intensity settings accommodates those seeking gentle and sensitive cleaning, as well as those desiring deep and powerful cleansing. This enhances gum health, freshens breath, and brightens smiles effectively.