> Indeed this is working. ( Test it with 2 identical USB-keys)
> But I think this is not a solution because the target usb is not the same
> size and make.
It will work as long as the destination is as large or larger than
the source.
If the new key is larger, the added space will stay unused after the
cloning, but you can recover it either by creating a new partition in
this empty space, or by resizing the last partition.
Stefan