This USB cup warmer is very popular among people who spent their time a lot in front of computer. This device unlike regular USB cup warmer though, this one has more value because it’s not only a cup warmer but also a cooler. You can switch this device easily to keep a cup of coffee warm up to 50 °C or to keep a cup of Cola cold on 10 °C. However after using the heater, you have to let the heater cooling down for about 10 minute before use it as cooler. Thanko also mention on their website, that the maximum cooling could be reached only if you use a flat bottom can to maximize contact area. The USB Cup Warmer and Cooler price tag is 2980 ¥ or about 29 USD
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1 Digital Photography » USB Cup Warmer and Cooler // Aug 5, 2008 at 4:54 pm
[...] USB Cup Warmer and Cooler [...]
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