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One thing that I have found it can be useful for is that it is a way to transfer files(such as movies) that are on a micro sd card or a usb flash drive to my Kindle Fire, my phone and my Samsung Galaxy Tab when I don't have an internet connection. I can see how it could be handy for that when traveling since it is fairly small. I haven't used it that way yet, but at least there is that use for it. I guess also in a pinch I could use it to charge thsoe devices. Probably if I had it to do over I would pass on buying it. Oh well. Live and learn.
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