This automatic drinking cooler is a USB-charged, portable pump dispenser that provides a convenient and efficient way to dispense water from large containers. Simply attach it to your water bottle, and with a press of a button, enjoy quick and easy access to hydration. Its compact, lightweight design makes it flawless for use at home, the office, or on the go. Easy to charge and operate, this dispenser offers a hassle-free solution for refreshing drinks anytime, anywhere.Safe and Heathy : BPA free drinking water bottle dispenser, food grade silicone rubber tubing, 304 stainless steel, high density ABS plastic, no toxic and no smell which is no harm to your health.Easy to use: Simply fasten the small pump on the bottle mouth. One switch operation, totally hassle free. Press once switch, pump 0.16 gallons of water and stop automatically. Press and hold for 3 seconds to switch the water pump to pump water all the time.USB rechargeable : Built in rechargeable battery which can be used for 30-40 days or around 4-5 bottles of 5 gallon water once full charged. It can works anywhere you wanted.High Compactable : The electric water bottle pump will suitable for gallon barrels with a 2.16-inch (5.5cm) neck, it suitable for a variety of models gallon barrel without pry the lid.Physical DimensionWeight (Gm) :- 212Length (Cm) :- 13Breadth (Cm) :- 8Height (Cm) :- 9