FUNCTIONS:Keep your favorite beverage warm all the time with this USB  Cup  Warmer! There is nothing less refreshing than a cup of warm coffee, but this will be a thing of the past with this great cup warmer!  The temperature will reach 45~60C, and keep this temperature all the time. you can use it as gifts.

SPECIFICATION:
Voltage Rating: USB 5VDC
The Highest Temperature : 60C
Materials: Polyester, Carbon-fibe
support all USB2.0 and USB1.1, suit for (less than D76mm steel cup)
MODEL NO.:LM-2536C