USB Powered Mini Fridge and Heater. There is nothing less refreshing than a warm can of cola or a cold cup of coffee, but this will be a thing of the past with this great USB powered Mini Fridge and Heater! This USB Mini Fridge and Heater is the only way to keep your drink cold/warm while you’re at your computer and it looks cool on any desktop. Takes 5 minutes Cool down to 54 degree, when room temperature is 82 degree. Takes 5 minutes Heat up to 116 degree, when room temperature is 82 degree. Blue LED lighting effects. Cooler or heater function switch. Easy installation, no driver required, plug and play. Powered by USB cable. Compatible with all platforms.