
Mine didn't work in my Ender 3. Didn't click into the micro SD port. It clicked but didn't stay in place and pulled out easily. Even if you hold down the button, multiple SD cards were not read. You shouldn't come back.

High-Speed Transcend TS-RDF5K USB 3.1 Card Reader for SDHC/SDXC/microSDHC/SDXC Cards - Black
11 Review

IDENTIV USB Smartfold Type C SCR3500C
11 Review

π» LEEGLOAD 4 in 1 SD Card Reader Adapter for iPhone/iPad/Android/Computer and Digital Camera, Memory Card Adapter with USB C/USB A/Micro USB, Trail cam Card Viewer (Black)
13 Review

Neewer Black Memory Card Storage Holder - Waterproof, Anti-Shock with 14 Slots for Micro SD, TF, CF, SD and XD Cards
12 Review