1. As an EMMC chip to SD interface, BGA adapters can be freely in the softwareSuitable for 1B/4 mode, with a maximum speed of 17MB/S2. Read and write SD card3. Read and write TF card4. Read and write SDNAND chip (QFN8 package)usage method:1. When reading and writing SD/TF cards, select SD/TFAUTO (4b or 1b)2. When reading and writing EMMC, any packaged EMMC chip can beThe operation method is the same as EMMCNote:Installation guide not included, we strongly recommend you professional installation.Please check as much as possible to make sure the item is what you need.Color:As ShownMaterial:PCBPackage Contents:1 * EMMC SD adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.