This is a microSD card conversion adapter from the trusted top brand, SanDisk. This is for converting a microSD card to SD card size, allowing it to be read by PC card readers, digital cameras, video cameras, etc. 【Product Features】 Reliable genuine product: Unlike inferior unbranded products, it allows for stable writing and reading with fewer contact failures. With write-protect switch: The side lock function prevents accidental deletion of important data. 【Product Details】 Brand: SanDisk Compatible cards: All microSD / microSDHC / microSDXC cards Condition: A beautiful item that has been used very little. Terminals have been cleaned and operation confirmed.