SD and microSD card reader,use for transfer of files between your memory card and PC. Compatable with SD/SDHC/SDXC and microSD/microSDHC type cards. Very easy to use and install. No drivers required. Comprises: Dual Slot. Slot 1: SD / SDHC / SDXC. Slot 2: microSD / microSDHC. System compatability: *Windows ME / XP / VISTA / 7/8.1/10 *Apple Mac 8.6+ / 9.0+ / OS X.