TOPRAM DUAL SLOT USB2.0 SD SDHC MMC RSMMC MicroSD MicroSDHC TF Card Reader / Writer (Bulk Pack) MicroSD Slot ~ No Adapter Required for MicroSD or MicroSDHC Cards Reads and Writes to Cards up to 32GB in Capacity. Reads MicroSD, MicroSDHC, SD, SDHC & MMC Without and Adapter Reads RSMMC and MMCMobile (DV-RSMMC) with and SD Adapter (not included). USB 2.0 Connection