Product Material: ABS Size: 7.8*7.8*22cm Battery: Li-ion battery Battery capacity: 800MAH Charging time: 2-3 hours Usage time: 5 minutes per day Service life: 20 days Water tank capacity: 350ml Water Pressure: 30-90 PSI Product noise: 65db Applicable people: 10 years old and above Job On\/White Light Package Contents: 1 pc * Toothscaler (5 Brush Heads) 1. Deep cleaning teeth water Flossing teeth can provide 1400 times\/minute high pressure water pulses to help you clean every corner of your mouth, remove 99.99% of tooth stains and food residues, hide deeply, effectively massage gums and promote blood circulation . Also helps with bleeding gums, bad breath and is good for braces and bridge care. 2.3 Floss Model and 5 Piece 360 Rotating Water Jets Gentle, High Pressure and Pulse with LED indication to deliver 30 to 90 PSI of water pressure at 1,400 strokes per minute. Choose Gentle Mode when first flossing or when you have sore teeth, sensitive gums, or mouth sores. The water flosser features 5 interchangeable 360-degree rotatable nozzles, allowing you to easily clean hard-to-reach areas. 3.350ML Removable Water Tank and IPX6 Waterproof Use 350ML water tank, which is enough to clean the whole mouth. Due to the open tank and removable design, it is easier to clean the inside of the water floss tank. Enjoy the convenience of a cordless water flosser and this model's water resistance up to IPX6. You can also use it safely in the bath or shower. 4. Long-life battery and overheat protection The oral irrigator is equipped with a powerful 2150mAh lithium battery, which can be used for 14 days when fully charged. USB interface charging is suitable for power bank, mobile phone charger, computer, etc. (charging adapter not included) 5. What's in the box Oral irrigator, tooth cleaner, 5 nozzles, charging cable and operating instructions. The oral irrigator is easy to transport and comes with all the necessary accessories and storage for use at home, in the office or on the go. The grooves on the outside are non-slip for easy grip.