USB insert cup warmer
If this is the case, you can take it to your seat!

Green House will release a heat insulation device for insert cups, "USB Insert Cup Warmer," in early December. The price is open.

This product is a cup warmer for disposable insert cups that are widely used in offices. If you put an insert cup in the main body, attach a silicon cap, and put it on the stand, it will keep 50 to 60 degrees of drinking.

USB insert cup warmer
Discard the insert cup and use the silicone cap repeatedly

It is equipped with a safety device that automatically stops heating when it reaches about 65 degrees Celsius, and starts heating again when the temperature drops. It is a USB power supply type that can be placed at the desk, and there are four types of color lineup: "ivory", "red", "blue", and "green".

USB insert cup warmer
Automatically keeps an eye on the temperature

USB insert cup warmer
Would you like to have all the staff in different colors?