yuenuo cola bucket usb refrigerator usb cold treasure dormitory cooler cold treasure beverage freezer

The electronic refrigerator adopts the new concept of space technology PELTIER effect, which is not heavy, noisy, or harmful to the environment. It has a long life, a cute appearance, and is compact and portable, suitable for use at home, in the car, indoors, and outdoors.

Mini USB Colder, low noise, portable, fast cooling, convenient and simple to use, it will automatically start working as soon as you plug in the USB.It can reduce the indoor temperature by about 15 degrees, and you can drink a cool drink directly after putting hot drinks in it for 15 to 30 minutes.It is a must-have for students, office white-collar workers, travelers, and business travelers.