Product DescriptionBattery: 14500 lithium ion batteryBattery capacity: 800MAH Product voltage: 5VCharging current: 1000MACharging time: 4-6 hoursUse time: 2 minutes per dayLife time: 20 daysProduct noise: 65dbSuitable for people: 10 years old and aboveWorking indication: on/white lightWater tank capacity: 300mlProduct size (cm): 23.58.58.5Weight (kg ): 0.327Package size (cm): 23.5 x 8.5 x 8.5Waterproof rating: IPX6 (life waterproof) Interdental massage, clean mouth, powerful pulse, the whole machine waterproof. Professional care cleaning, solve many oral problems, interdental clean without residueGravity ball suction, splash-proof silicone sleeve, large 300ml water tank capacity, three main modes to switch at will.Gentle mode: gentle water pressure, suitable for novices and people with sensitive mouthsHigh pressure mode: high water pressure, efficient cleaning, suitable for most peoplePulse mode: pulse water pressure, can massage the gums, buffer the whole body water washingPulse frequency: 1400 for the first gear, 1000 for the second, 1100 for the third