So I've tried a powered USB hub, and connecting a mouse makes it function a lot better (actually it works just the same, only now the mouse's LED is the way it supposes to be,nice bright red).
However the keyboard over USB HUB could not work,which means there's probably no keyboard support for the JBC (yet).
I've also tried to connect USB flash drives via the USB port, but no luck.The device is not programmed to look into those drives.
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