Quote:
Originally Posted by Shaggy
Yeah, that would have been my first guess. Internally, it probably only has the wires for the power connected end-to-end. Not sure why they do that, doesn't seem like it would be a big deal to include the others as well, but I guess it's not uncommon. There must be some reason for it. 
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Thanks for your reply to it. I ordered another left angled mini USB extention cable at USBFireWire.com(also posted in this forum), which costs more than $20(including shipping fee) although the another one(supports only power supply) I bought on ebay costed only $2(including shipping fee!). The one I ordered at this time seems to support data transfer(not only power supply) because there are pics of the one with GPS devices on the site. I assume 10 times expensive one would do..
In my guess, the USB extention cable which doesn't support data transfer like that would be somewhat cheaper than the other one which supports. Its margin would be a little in case of only one item but the wholesalers usually deal with hundreds or thousands or more items at once - so the cheaper cable would have been likely to be produced more and spreaded more widely on the market..
Anyway, I'll test the cable more than $20 after it is delivered here later!