Simplecom CH368 3 Port USB 3.0 Hub with Dual Slot SD MicroSD Card Reader(LS) Upgrade single USB 3.0 port to three USB 3.0 ports and 2 slots card reader with data transfer rates up to 5Gbps. It features 3 USB 3.0 port for handy access to your USB devices. With built-in SD and MicroSD card slots, which makes reading those 2 types of memory cards very convenient and fast. Super speed USB 3.0 interface allows for the fast access of large files with data transfer rate up to 5Gbps, ideal for transferring large raw or HD media files. Features 3 Port Super Speed USB 3.0 Hub Built-in SD and MicroSD memory card reader Compatible with SD, SDHC, SDXC, MicroSD, MicroSDHC, MicroSDXC Read both SD and MicroSD cards simultaneously USB 3.0 interface with data transfer rate up to 5Gbps Backward Compatible with USB 2.0 Easy to Install, plug and play, no additional driver needed Overvoltage, Overcurrent and Short-Circuit Protection Sleek and compact design, easy to carry Supports Windows XP and above (32/64-bit), Mac OS X 10.2 and above