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Are you saying that anything which uses a USB-mini port automatically uses the same voltage? I have a bluetooth earpiece which came with its own power adapter and uses the USB-mini jack but doesn't have anything to do with the USB port on my computer.
Is this some sort of standard that I didn't know about? Cool!
As for the PSP-adapter, yes I know it works because I interchangeably charge my reader and PSP from two different chargers, one which came with the PRS500 and one which came with the PSP.
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