This item is a USB Rechargeable Electric Drinking Water Dispenser Pump that comes in a White and Black color combination.1

Here is a summary of the typical product features and specifications:

Product OverviewFeatureDetailsFunctionAn automatic electric pump that attaches to the top of a large water bottle (like 5-gallon jugs) to dispense water with the press of a button.PowerUSB Rechargeable - It has a built-in battery (commonly 1200mAh) that is charged via a micro USB or Type-C cable. A single full charge is often enough to dispense 4 to 6 large water jugs.DesignThe main body is usually White (or the primary color), with the accents, base, or trim in Black. The color combination offers a clean, modern look.MaterialSafe/Food-Grade: Typically made from a durable ABS plastic shell, a food-grade silicone intake hose, and a stainless steel (SS304) dispensing spout.CompatibilityDesigned for use with most standard bottled drinking water barrels and jugs, often fitting neck sizes around 2.16 inches (5.5 cm). It works with various bottle capacities like 1.5L, 3-gallon, 5-gallon (18.9L), and more.OperationOne-Button Operation: Simple on/off switch to start and stop the water flow. Some models offer a double-press function for a pre-set quantitative dispense (e.g., 600ml).Use CaseExcellent portable alternative to traditional water coolers, ideal for the home, kitchen, office, camping, or other outdoor activities.

In short, this is a popular, convenient, and portable gadget for hands-free water dispensing from large water bottles.