ient CleaningMini cordless oral irrigator can offer up to 1600 times/min pulse frequency and 120PSI high water pressure,removing up to 99.9% tooth stains food residue, effectively massage gums and promote blood circulation ,improve gum health.3 Modes & 4 NozzleThe water teeth cleaner pick has Soft,Pulse,Strong modes.Recommend choose soft mode for the first use.Equipped with 4 interchangeable the 360° rotatable nozzle are suitable for daily gum cleaning, periodontitis cleaning, braces cleaning, and tongue cleaning. meet your different daily oral care needs.IPX7 waterproof &Long Battery LifeThe water dental flosser adopts IPX7 waterproof design inside and outside,ensure your safety in use.You can also use it safely in the bath or shower.Built-in 1000 mAh rechargeable battery, bringing 30 days of continuous use from a single 3-hour charge.Portable DesignIt is safer and more convenient to effectively maintain oral health. Ideal for travel or use at home, this portable oral irrigator can be used anywhere, suitable for home, office, business travel or on the goCustomer ServicePlease feel free to contact us if you have any questions, we will give you satisfactory solution within 24 hours.