Portable Design: This water flosser is lightweight and easy to use, coming with 4 replaceable nozzles for multiple family members. It rotates 360 degrees for easy cleaning of hard-to-reach areas, meeting your needs from standard cleaning to gum care. Deep Cleaning: The ETOU water flosser uses an upgraded pulsation technology delivering 1800 high-pressure water pulses per minute, with powerful 20-140psi water pressure, to deep clean hidden oral hazards and effectively clean areas a traditional toothbrush can't reach. A great aid for dental health and care. 4 Powerful Flushing Modes: The ETOU Portable Flosser has 4 modes: Normal, Soft, Pulse, and Custom, allowing you to choose the mode you need. With a low-noise design, this cordless water flosser is ready for daily use, giving you the ultimate dental clinic experience at home. Waterproof Design: The cordless water flosser is IPX7 waterproof inside and out, providing double protection against water leakage, allowing safe shower use. Powerful Battery with USB Cable: Equipped with a powerful, eco-friendly battery, it fully charges in 3-4 hours and provides up to 30 days of continuous use. Includes a USB cable (adapter not included) with a Type-C connector.