Product Description Material: ABS Size: 7.8*7.8*22cm Battery: Lithium-ion battery Battery capacity: 800MAH Product voltage: 5V Power: 5W Charging time: 2-3 hours Use time: 5 minutes per day Life time: 20 days Water tank capacity: 350ml Water pressure: 30-90 PSI Product noise: 65db Applicable people: over 10 years old Work instruction: turn on/white light Color: white, black, pink Quantity: 1 piece Package content: 1 piece * Teeth cleaner(5 brush heads) 1.DEEPLY CLEAN TEETHWater flosser dental can offer high pressure water pulse 1400 times/min, helps you clean every corner of your mouth and cleans away 99.99% of teeth stain food residue, hidden deep, massage the gum effectively and promoting blood circulation. Also helpful for bleeding gums, bad breath, benefitful for brace and bridge care. 2.3 FLOSSING & 5 PCS 360ROTATABLE WATER JET TIPGentle, high pressure and pulse, with LED indication, provide 30 to 90 PSI water pressure at a rate of 1,400 times per minute. When using water floss or sore teeth, sensitive gums or mouth ulcers for the first time, please select the soft mode. The water flosser is equipped with 5 interchangeable 360 rotatable nozzles, allowing you to easily clean hard-to-reach areas. 3.350ML DETACHABLE WATER TANK& IPX6 WATERPROOFWith the 350ML water tank, it is enough for your whole mouth cleaning. Due to the open tank and detachable design, it's much easier to clean inside of the water flosser tank. Enjoy the convenience of cordless water flossing and the water-resistant of this up to IPX6. You may also safely use it in the bath or shower. 4.LONG LIFE BATTERY & OVERHEATING PROTECTION Oral Irrigator with powerful 2150mAh lithium battery is able to last for 14 days once fully charged. Charging the USB interface applies to a power bank, mobile phone charger and pc.etc.(The charging adapter is not included) 5.WHATS IN THE BOX Oral irrigator, tooth cleaner, 5 nozzles, charging cable, and operating instructions. The oral irrigator is easy to transport with all necessary accessories and storage devices, making it convenient to use at home, office or on the go. The groove on the outside is non-slip and easy to grasp.