https://www.amazon.in/Happy-GiftMart-Portable-R...
USB FRIDGE  can cool as well as heat for 500.

  • Mini USB refrigerator can snugly fit a single can of beverage.
  • Can be used in your cubicle, home, office, bedroom or garage. Mini USB powered fridge with both cooling and heating functions . Built-in LED indicator, easy to use
  • Power Consumption: 10W Range: 8-9℃ for cooling; Package Includes: 1x USB Refrigerator 1x Instruction Sheet.
  • Dimensions of this gadget are: 3.15"X3.5"X7.2" (LXBXH).The height from the inside is: 5.5".
  • Fits for 12 Oz - 350 Ml. Keep your beverage cool / warm to drink at your computer side .The refrigerator temperature can drop to 8.5 degree in 5 minute