SanDisk Digital 128GB microSDXC Class 10 Flash Card with Adapter Compliant - with the SD Card Association specification Versatile - when combined with the adapter, can be used as a full-size SDHC/SDXC card Compatible - with microSDHC & microSDXC host devices; not compatible with standard microSD-enabled devices/readers; microSDXC cards are not compatible with microSDHC-enabled devices/readers Compatibility: Compatible with SD or SDHC supporting host devices Security: Built-in write-protect switch prevents accidental data loss