Digital Foci Photo Safe II OTG (PST-252) One touch photo backup directly from your digital camera memory card without a computer Built-in memory card slots directly support CF (Type I), SD, and SDHC (SDXC not supported) Copies 1GB in about 3 minutes for a total of 500 GB Copy status indicator displays percentage completed, copy confirmation, and number of files copied View photos through Smartphones and Tables that support USB-OTG standard