Product Specifications: 1. Battery: 14500 Li-ion battery 2. Battery capacity: 800MAH 3. Product voltage: 5V 4. Power: 5W 5. Charging time: 2-3 hours 6. Usage time: 5 minutes per day 7. Battery life: 20 days 8. Water tank capacity: 350ml 9. Water pressure: 30-90PSI 10. Product noise: 65db 11. Applicable people: 10 years old and above 12. Job description: power on/white light Product selling points: 1. Interdental massage, oral cleaning, strong pulse, the whole machine is waterproof. Professional nursing and cleaning, to solve more than 2 kinds of oral problems, the interdental is clean and no residue; 3. A total of 5 brush heads are provided to meet different scenarios; 4. Gravity ball absorbs water, splash-proof silicone cover, 350ml detachable large-capacity large water tank capacity, three modes can be switched at will: 5. Gentle mode: gentle water pressure, suitable for novices and people with sensitive oral cavity 6. High pressure mode: high water pressure, efficient cleaning, suitable for most people 7. Pulse Mode: Pulse water pressure to massage gums, buffer body wash 8. Product List: Host*1, Nozzle*5, Charging Cable*1, English Manual*1, English Color Box*1