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USB Cup Warmer

USB Cup Warmer
To avoid cold tea, use this. Plug the warmer in, place your hot beverage onto it. Result: your drink stays warm for 30-60 minutes longer than normal.

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  1. I’ve been told that you need a cup with a very flat bottom as to get maximum contact with the device. Otherwise it doesn’t work very well.

  2. I really don’t see where the market is for this, is there nothing China won’t manufacture?

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