[Super Speed Data Transfer] USB 3.0 Compact Flash Card Reader with High Performance Chip allows you to read 2 or more cards at the same time, saving more data transfer time. Fast data/file access and transfer rates up to 5GPS. Backward compatible with USB 2.0 / 1.1. (Actual transfer rate depends on specific device.) Slim and CompactHigh quality aluminum alloy case makes it more delicate, durable, faster heat generation and longer service life. Small size is convenient for you to carry around Card Compatibility] USB memory card reader built-in 5 card slots: SDXC, Micro SD, MS M2, CF port, support SDXC, SDHC, SD, M2, CF, MS, Micro SDXC, Micro SDHC, Micro SD card [support UHS-I card]. [Plug and Play] This card reader supports hot plug and play, no driver installation required. Compatible with Windows XP / Vista / 7 / 8.1 / 10, Mac OS, Linux, Chrome OS and more. It can read and write multiple cards at the same time, keeping you away from the hassle of constantly unplugging and re-plugging. [Intelligent Multi-Protection] Prevents over-current, over-voltage, leakage, short-circuit, clutter, etc., effectively protects the connected devices and the hub itself.