4 USB Hub Port WARMER CUP

Adds 4 USB 1.1 ports available
Keep coffee / tea / drink, warm at 50-60 degree
Easy installation, no driver required, plug and play
Rated power: 2.5W 5V DC
With on / off switch
Red LED indication when warmer is turned on
Quality insulation material around the metal hot plate prevents burns
USB powered, no batteries needed.
Support Windows9X / 2000 / XP, Mac OS8.6 or above
Size: 92 x 105 x 22mm