Electric USB Universal Water Pump

Safe Material: BPA free drinking water dispenser, food grade silicone hose, 304 stainless steel, high density ABS plastic, no toxic, and no smell. High Compatibility: The electric pumping device suitable for pure bottled drinking water, suitable for a variety of models gallon barrel without pry the lid. USB Rechargeable Battery: Built in rechargeable 1200mAh battery. Can be used for 4-6 bottles of 5 gallon water once full charged. No need to charge every day. Easy to Use: Simply fasten the small pump on the bottle mouth. One switch operation, totally hassle free even for kids and elders. Note: The drinking water pump is suitable for gallon barrels with a 2.16-inch (5.5cm) neck. Please confirm the size of your neck before purchasing.