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Silicone Electric Insulation Coaster

$ 4.28 USD $ 6.31 USD
or 4 interest-free payments of $ 1.07 USD with

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USB Warmer Cup Mat


  • Connect the USB cable to the computer or 5V charger switch interface, coasters begin to generate heat.
  • Please do not use this insulation Cup for outside functions.
  • Please Unplug the USB cable when don't use, to extend the life of the product.
  • It is only used to keep your tea or coffee warm, and not for heating.


  • Material: Silicon+Electronic component
  • Size: 9.5x0.6cm
  • Power: 3.75W
  • Voltage: DC 5V
  • Current: 750MA
  • Package Included: 1 x USB Warmer Cup Mat