Package Included: 
<br />1x Heating Plate
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<br />Descriptions:
<br />Color: Black
<br />Thickness 0.2MM
<br />Power: USB powered
<br />Voltage: DC-5V
<br />Power: 2.5W
<br />Connect pc/laptop to internet by USB 2.0 cable
<br />Energy saving ,Faster temperature rise, Desired temperature can rise to within a few seconds
<br />Simple and easy to use, compact and easy to carry, connect to USB, you can be warm in entire winter.
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<br />Note: When the temperature reaches a temperature of 45 degrees, to maintain constant temperature