free drinking water dispenser,no toxic, and no smell.Pump for water bottle, USB charging, Easy to install and use.Simply fasten the small pump on the bottle mouth. Best insulation and high density ABS plastic shell which is no toxic and no smell. Built-in high-capacity rechargeable battery, can used for 20-30 days once fully charged, pump about 5-6 barrels of 5 gallon bottle water. No need to charge every day. The electric pumping device suitable for pure bottled drinking water, suitable for a variety of models gallon barrel without pry the lid. Lightweight, convenient and portable, ideal for picnic, best choice for home, kitchen and office daily using.