Water Bottle Pump, 5 Gallon USB Charging Automatic Drinking Water Pump, Universal 2-5 Gallon Pitchers, Portable Electric Water Bottle Dispenser for Office, Camping

USB Rechargeable Water Dispenser: Built-in 1200mAh rechargeable battery, can be used for 30-40 days or approximately 4-6 five-gallon water bottles on a full charge. Convenience: The drinking water pump fits gallon barrels with a 2.16-inch (5.5 cm) neck. No need to lift the lid. Therefore, it fits most water bottles and 2- to 5-gallon water bottles. Easy-to-Use Portable Water Dispenser: One-button drinking water pump; a single press turns it on/off. The buttons are very sensitive. Wide Applications: The water bottle pump is ideal for use at home or in the office; its small and lightweight design makes it easy to carry and suitable for camping, picnics, children's sporting events, beach days, and barbecues.