Product details:
🌼 Safe Material: BPA-free, Food grade silicone hose, 304 stainless steel, high-density ABS plastic shell.
🌼 USB powered: The rechargeable battery can be used to pump out 4-6 water jugs if fully charged.
🌼 Fits All Standard Size Bottles: Standard size is 2.16 Inch (5.5cm) neck size, fits for 2, 3, 4, 5 gallon and other standard size water bottles.
🌼 Extensive use: Portable device for both indoor and outdoor use like office, home, Kitchen, camping, picnic, activities, etc
🌼 Connect the silicone tube and stainless steel tube
🌼 Insert the silicone hose into the bottle. Then fasten the pump
🌼 Press the button to pump out the water
🌼 Press the button again to stop pumping
🌼 Charge with the Micro USB cable when out of battery