1. Product Description Material: ABS Size: 7.8*7.8*22 cm Battery: lithium-ion battery Battery capacity: 800MAH Product voltage: 5V Power: 5W Charging time: 2-3 hours Usage time: 5 minutes per day Operation time: 20 days Water tank capacity: 350 ml Water pressure: 30-90 PSI Product noise: 65db Applicable to people: over 10 years old Operating instruction: turn on / white light Color: white, black, pink Quantity: 1 pc Package content: 1 pc Toothbrush (5 brush heads) 2. The water flosser can offer high-pressure water pulse 1400 times/min, helps clean every corner of the mouth and cleans 99.99% of the plaque, teeth stains and food residue hidden deep, effectively massages gums and promotes blood circulation. Also helps with bleeding gums and bad breath, and is applicable for braces and bridge care. 3. There are 3 suction models (Gentle, high pressure and pulse) with LED indication, providing 30 to 90 PSI water pressure at a speed of 1400 times per minute. When using the water flosser for the first time or having toothache, sensitive gums or mouth ulcers, the gentle mode is recommended. The water flosser is equipped with 5 interchangeable 360° rotating nozzles, allowing easy cleaning of hard-to-reach areas. 4. With a 350ml water tank, it is sufficient for a full mouth cleaning. The open and removable tank design facilitates cleaning the inside of the water flosser tank. It offers the convenience of cordless water cleaning and has an IPX6 waterproof rating, enabling safe use in the bath or shower. 5. The oral irrigator is powered by a 2150mAh lithium battery, which can work for 14 days when fully charged. It features a USB interface compatible with power banks, mobile phone chargers and PCs for charging (charging adapter not included). 6. Package includes: Oral irrigator, dental flosser, 5 nozzles, charging cable, and instructions for use. The oral irrigator is easy to transport with necessary accessories and storage devices, making it convenient for use at home, in the office or on the go. The external groove provides non-slip and easy grip.