Product Description

Features:
 
Material: Steel + aluminum
Size: 8.81 * 10.18 * 0.5CM
Power supply: USB
Voltage: DC 5V
Capacity:501-600ml

Usage instructions

1.Connect the USB cable to the computer or 5V charger switch interface, coasters begin to generate heat.
2.please don't use the recessed bottom cup, Aluminum/ 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.

 
Package include:
 
1 x  USB Cup Mat Pad (USB pad only, cups are not include)
 
 
KINDLY NOTICE:
 
1. Please allow 1-3mm differs due to manual measurement.
2. Due to the different display and different light, the picture may not reflect the actual color of the item,Thanks for your understanding. 

More Detailed Photos: