This seems like an odd move. Let China pay money to use ClosedAI hallucinations instead of using the money to develop their own hallucinations that the US has no insight into.
There’s no technology transfer if they just using the hallucination outputs, it’s just free money for trash.
They mean the Bluetooth MAC address. It’ll capture your phone’s and can tell who the manufacturer is but the rest of the address is randomized. That said, lots of watches/earbuds/assorted smart Bluetooth things aren’t randomized because manufacturers are lazy.