Mini USB Office Mini Heating And Cooling Dual Use Portable Refrigerator Drink Cooler(Black) Features:  1. Any heating of hot and cold drinks; 2. Small size, light weight and easy to carry; 3. Use USB power interface, both home and office. 4. Space can be placed to drinks, built-in LED lights. 5. The temperature of the refrigerator can be reduced to 8.5 degrees in 5 minutes. Double effect, cold and hot 6. Try e a flat bottom cup, so the cooling effect will be better, the cooling temperature is about 8-9 degrees. 7. Heating can reach 40-65 degrees. The biggest role is to keep cold and keep warm   Specification:  Condition:   Product specifications: 83*88*195mm/3.2*3.4*7.6inch Package weight: 476g Material: ABS Voltage: DC 5V Maximum power consumption: 10W Optional color:red,black   Package list:  1* mini fridge 1* instruction manual   Notice:  Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.