Specification: Two kinds of using:cool and heat   Refrigeration temperature:lowest can reach to 8-9 degrees  heating temperature:highest can reach to 40-65 degrees    Cools a beverage from 5V USB Power，800mA Keep a canned beverage of your choice chilly cold and ready to drink at your desktop Powered by USB cable with a switch to change the two functions-heating and cooling Material: ABS Internal LED light USB powered No batteries required Plug and play Compatible with all platforms Fridge Size: 12.5 cm*8.3 cm*24.8 cm (4.92 in*3.26 in*9.76 in) Can be placed in two can of drinks    Package included: 1 X mini fridge  1 X USB line