Specification: Battery: 14500 lithium ion batteryBattery capacity: 800MAHProduct voltage: 5VCharging current: 1000MACharging time: 4-6 hoursProduct noise: 65dbApplicable people: over 10 years oldWork instruction: turn on/white lightWater tank capacity: 350mlWaterproof rating: IPX6 (life waterproof) Features: Interdental maage, clean mouth, strong pulse, and the whole machine is waterproof. Profeional care and cleaning, solve a variety of oral problems, clean and no residue between teethGravity ball absorbs water, splash-proof silicone sleeve, 350ml large water tank capacity, three modes can be switched at will:Gentle mode: gentle water preure, suitable for novices and people with sensitive mouthHigh preure mode: high water preure, efficient cleaning, suitable for most peoplePulse mode: pulse water preure, maage gums, buffer body washing Package included: Main unit*1,charging cable*1,manual*1,nozzle*5 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store