This product is a MIICAM Hi-Speed USB All-in-One Card Reader. It’s designed to connect via USB and read multiple types of memory cards, including SD/SDHC/SDXC, microSD/TF, Compact Flash (CF), Memory Stick (MS/MS Duo/MS Pro), and MMC/RS-MMC. It works with devices like computers, cameras, and mobile phones, and supports operating systems from Windows XP up to Windows 10.