Thank you, Makumbaria!
Perhaps the Shanghai shop! I’ll let you know… the Chinese postal system is OK within China, however Fedex & UPS are best internationally.
That said, a small dongle with computer bits could easily be crushed, lost or corrupted in transit…
We’ll see what happens.
The idea of a ‘dongle’ sounds like the stupidest word in the world, I’m surprised it’s not profane! LOL