Portable Design & Deep Cleaning: Features a telescopic water tank and integrated nozzle storage, significantly reducing size for easy portability. Delivers high-pressure water pulses (1200 times/min) and 140PSI strong water pressure to effectively remove up to 99.9% of plaque and improve gum health. 3 Cleaning Modes & IPX7 Waterproof: Offers Soft, Pulse, and Strong modes with low-noise operation to meet diverse oral care needs. IPX7 waterproof rating ensures safe use and prevents leakage. Telescopic Water Tank & Leak-Proof Design: The upgraded, fully open telescopic water tank reduces product volume. Includes three jet nozzles and portable storage bags for enhanced convenience. Features an exclusive internal leak-proof and drainage device for extended product life. Long Battery Life & Portable: Powerful lithium battery provides 30 days of continuous use on a single 4-hour charge, perfect for travel. Supports USB charging. Support & Warranty: Offers a 30-day no-reason refund guarantee and 24-hour technical support. Package Includes: Water Flosser x 1, Replacement Nozzles x 4, USB Cable x 1, User Manual x 1.