Made by material, powered by USB, easy to use. Beautifully designed and in appearance. The cooling and heating function is suitable for different occasions to meet different needs. Unique UFO shape design make it unique. Feature - Made by material, and easy to use. - Powered by 5V USB, plug and use. - Cooling and heat ifferent function, suitable for different occasions to meet different needs. - Fit for traveling, camping, home, office, daily use. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Specification - Color: White - Material: Plastic - Size: 15 x 15 x 5cm - Material: plastic + metal - Rated frequency: 5-18W - Voltage: 5V-9V - Heating zone diameter: 65mm - Input power: DC5V-9V - Temperature: heating temperature (temperature can reach 70° at 5V, temperature can reach 118° at 9V) - Cooling temperature (up to 10° at 5V and -3° at 9V) Package list: 1 x Mini Refrigerator