32 GB MICROSD UHS-1 Class 10 Memory Card for Samsung Galaxy J3,J5,J7 | eBay
Samsung Galaxy J3 (2017): How to insert the microSD card? Installation of a micro SD - YouTube
Amazon.com: Samsung Evo Plus 128GB Micro SDXC Memory Card Class 10 Works with Samsung Galaxy Phones J2 Core, J3 (2018), J4 Core (MB-MC128KA) Bundle with (1) Everything But Stromboli MicroSD/SD Card Reader :