USB Flash Drive Reveals Strange SD Card Heart | Hackaday
Kawau Micro SD Card Reader 2.0 USB High Speed Adapter with TF Card Slot C286 Max Support 128GB Memory Card Reader for Computer|Card Readers| - AliExpress
New Portable USB 2.0 Adapter Micro SD SDHC Memory Card Reader/Writer Flash Drive : Amazon.in: Electronics
This flash drive is just a microsd card in a reader : r/mildlyinteresting