Micro SD Card Micro SDHC Mini TF Card Adapter Reader Module for Arduino
Micro SD to FFC Breakout Board | IC Breakout
I cannot find the datasheet for Catalex MicroSD Card Adapter - Storage - Arduino Forum
SD and Micro SD card pins with description and functions
USB 3.0 Card Reader, TSV TF Card/SD Memory Reader Adapter Supports SD/Micro SD/SDHC/SDXC/MMC, Mini Camera Flash Reader Compatible with Windows, Mac, Linux - Walmart.com
Low Profile Micro SD Card Adapter Datasheet by Pi Supply | Digi-Key Electronics