①. 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 plaque. teeth stains food residue hidden deep, effectively massages gums and promotes blood circulation. Also helps with bleeding gums, bad breath, good for braces and bridge care. ③. Gentle, high pressure and pulse, with LED indication provides 30 to 90 PSI water pressure at a speed of 1400 times per minute. When you use the water flosser for the first time or have toothache, sensitive gums or mouth ulcers, choose the gentle mode. The water flosser has 5 interchangeable 360° rotating nozzles, allowing you to easily clean hard-to-reach areas. ④. With a 350ml water tank, it is enough for a full mouth cleaning. The open tank and removable design make it much easier to clean the inside of the water flosser tank. Enjoy the convenience of cordless water cleaning and the IPX6 waterproof rating of this model. You can also safely use it in the bath or shower. ⑤. The oral irrigator with a powerful 2150mAh lithium battery can work for 14 days when fully charged. The USB interface can be used to charge the power bank, mobile phone charger and PC, etc. (charging adapter not included) ⑥. Oral irrigator, dental flosser, 5 nozzles, charging cable, and instructions for use. The oral irrigator is easy to transport with all the necessary accessories and storage devices, making it convenient to use at home, in the office or on the go. The groove on the outside is non-slip and easy to grip.