i.e. something like the tiny USB key that have a micro SD card reader, but with a micro-B USB interface (instead of a full USB) ...
I have been searching crazy lately, but nothing !!! (I can't believe that some manufacturer did not had this idea ?!)
Furthermore, micro USB card reader a very rare ! Any reason ?
As a result, I am about to DIY the thing inspired by the following example (but with micro-B usb and with direct connection):
Starting with something like:
The final goal would be to create a micro-usb to microSD adaptator as small as possible ...
Any better idea ? or product you know ?