Water Bottle Pump 5 Gallon USB Charging Automatic Drinking Portable Electric Water Dispenser Switch

High-concerned chemical : None Origin : Mainland China Compatibility : The drinking water bottle dispenser is suitable for gallon barrels with a 2.16-inch neck. Please confirm the size of your bottle neck before purchasing USB Rechargeable Battery : Built in rechargeable 1200mAh battery. It can be used for 30-40 days or around 4-6 bottles of 5 gallon water once fully charged Easy to Use : Simply fasten the small pump on the bottle mouth. One switch work, totally hassle free even for kids and elders