USB Mug Device Cartoon Warmer Office PVC Warm Heating Electric Coffee Cup Tea FA Pad

100% brand new and high quality

Material:PVC
Diameter:10.8cm
Voltage:DC 5V
Color:res,blue,green

Package includes:
1 x USB Cup Warmer
USB cup pad only,others are not include

Usage instructions
1.Connect the USB cable to the computer or 5V charger switch interface,coasters begin to generate heat.
2.The need for thermal insulation on the silica glass coasters,then it can play the role of insulation,please don’t use the recessed bottom cup,glass Cup is best
3.Please do not use this insulation Cup for outside functions.
4.Please Unplug the USB cable when don’t use,to extend the life of the product.
5.It is only used to keep your tea or coffe warm,but not for heating.

Product type: USB Cup Heaters & Coolers