Transfer files between computers and mobile devices using the compact and portable USB Type-C Duo Card Reader/Writer from IOGEAR. This device can interface with a wide variety of Windows, Mac, Linux, Android, and Chrome devices, thanks to its USB 3.1 Gen 1 Type-A connector and USB 3.1 Gen 1 Type-C connector, which is compatible with Thunderbolt 3. This device has been built with dual card slots - one that supports SD, SDHC, and SDXC cards, and a second that supports microSD, microSDHC, and microSDXC cards, all at UHS-I speeds of up to 104 MB/s. In addition to SD and microSD cards, MMC and RS-MMC cards are also supported. Included is a protective silicon cover.