Portable Dental Water Flosser Oral Irrigator USB Rechargeable Water Floss Jet Tooth Pick 4 Tips 220ml Mouth washing machine Portable Dental Water Flosser Oral Irrigator USB Rechargeable Water Floss Jet Tooth Pick 4 Tips 220ml Mouth washing machineWater tank volume:from 300 to 499 mlJet pulsation frequency:from 1600 to 1999 imp/minWater jet principle:PULSEWater tank volume:from 300 to 499 mlJet pulsation frequency:from 1600 to 1999 imp/minWater jet principle:PULSEPower type:RECHARGEABLENumber of operating modes:4 or moreNumber of nozzles:4Power Source:Rechargeable BatteryAge Group:adultsCommodity Quality Certification:3C,ceType:Electric Oral IrrigatorOrigin:Mainland ChinaItem Type:Oral Irrigator Portable Dental Water Flosser Oral Irrigator USB Rechargeable Water Floss Jet Tooth Pick 4 Tips 220ml Mouth washing machine Portable Dental Water Flosser Oral Irrigator USB Rechargeable Water Floss Jet Tooth Pick 4 Tips 220ml Mouth washing machineParameter:Material: ABS(Housing ) + PC(Water Tank) Output: 3.7V /5WWater Tank: 220mlPulse Frequency: 1200 Times /MinWater Pressure Range: 30-110 PSIBattery: Rechargeable 1200mAh Lithium BatteryCharging Mode: USB ChargingWorking Time Of Fully Charged: 4 Hours