I have this one and I use it exactly as you describe, when 2 card are connected it recognise them both as separate drives.
So I can backup my camera photos (SD card) to the micro SD card just using my phone via the USB C port. Then I can connect it to my desktop computer with the USB A end.
I have this one and I use it exactly as you describe, when 2 card are connected it recognise them both as separate drives.
So I can backup my camera photos (SD card) to the micro SD card just using my phone via the USB C port. Then I can connect it to my desktop computer with the USB A end.
Quite a nifty device
https://www.amazon.co.uk/UGREEN-Card-Reader-Memory-Adapter/dp/B07ZKRM12C