USB Coffee Warmer

USB coffee warmer has on/off switch, status LED and 4 port USB hub and keeps your coffee warm all the time with nice desktop gadget. 

It is a perfect combination of 4 port USB hub and drink warmer. 

Treat yourself a cup of hot coffee, put it on this warmer and you'll be guaranteed to keep it hot longer than ever before. As a USB hub as well, it adds 4 USB ports for additional peripherals. 

Features: 
1) 4 USB ports, a type female connectors 
2) Downstream 1 USB b type male connector upstream with a cable 
3) Support both full-speed 12Mb/sec transfer rates 
4) Chains up to 127 USB devices 
5) Individual port over-current protection 
6) Provide up to 500mA per port sufficient for diverse devices 
7) Truly plug & play automatic installation 
8) DC jack for selectable USB WARMER 

Specifications: 
1) Keep coffee/tea/drink Warm at 50-60°C 
2) Easy installation, no driver required, plug & play 
3) Rated power: 2.5W/5V DC (DC adapter not included) 
4) With on/off switch 
5) Red LED indication when warmer is turned on 
6) Quality insulation material around the metal hot plate prevents burns 
7) USB powered, no batteries needed 

Note: 
The thermal plate size of the warmer is 3 inches in dia. So the coffee cup base should
be smaller than that for better heat transfer.

Material:
Metal hot plate