Precise deep cleaning: The combination of high pressure pulsing water and 360 rotating nozzle is powerful enough to deeply clean every corner, helping to prevent cavities and whiten teethProfessional Flosser: 3 flossing modes. Normal mode for daily use, Gentle mode for sensitive mouth cleaning, Pulse mode to massage gums to improve oral health. 5 multi-function nozzles to meet the needs of different oral conditionsRechargeable and portable: 1400mAh safe lithium battery and universal voltage (100-240V). When fully charged (within 8 hours), it can be used for up to 14 days. Comes with a USB cable, you can also use a power bank or any USB interface device to chargeLEAK-PROOF AND IPX7 WATERPROOF: The leak-proof design ensures our water flossers are safe to use, and the IPX7 waterproof ensures excellent work in a wet bathroom, even if accidentally dropped into waterRemovable water tank: 300ml removable water tank, support continuous use for more than 80 seconds, easy to add water, easy to disassemble and clean inside. Dimensions 77 x 68 x 204mm, small storage space, easy to carry. It's also much easier to clean out limescale and bacteria in the tank.Note: The package does not include the charger.