USB Cup/Mug Warmer Office/Home Coffee Tea Heating Plate

Features:
USB full speed
4 Ports with automatic recognition function, compatible with all common operation systems
Overload protection for every port
Friendly and ergonomical design
Supply till 500mA through USB port, sufficient for diverse apparatus
Plug & Play installation
Operation system 95/98/2000/ME/ XP 
USB Warmer
Simple plug and play installation, no driver needed
Power: 2.5W 5V DC
On and off switch
LED indicator
Powered by USB port, no battery required
High quality insulating material around the Metal-Warm holder plate protection against burning
The temperature will sink, when other USB ports being used at the same time 

Notice: mug is not included