If you want the smallest card reader out there then we found it for you. This is a MicroSD card reader that is so small that it is just slightly bigger then the plug that go’s in the USB port. The SD card slides inside and makes it super compact.
This also means that you can use this configuration to create a super small flash drive. It comes with keychain loop so it is easy to cary around with you where ever you go.
Go read about all the details of the World’s Smallest MicroSD Card Reader.