Super Speed data transferZIYUETEK USB 3.0 COMPACT FLASH card reader with high Performance Chip allows you to read 2 or more cards simultaneously saving more data transfer time. Fast data/files access and transfer rate super-speed up to 5GPS. Backward compatible with USB 2.0 / 1.1. (Actual transfer rates depend on specific devices. )Slim&CompactThe high quality aluminum alloy cover makes it more delicate durable heat faster and longer service life. The little size is convenient for you to take it anywhereCard compatibity USB memory card reader built-in 5 card slots: SDXC Micro SD MS M2 CF ports Supports SDXC SDHC SD M2 CF MS Micro SDXC Micro SDHC Micro SD cards [support UHS-I cards]Plug & playThis card reader supports hot swapping and no driver installation required. Compatible with Windows XP/Vista/7/8/ 8.1 /10 Mac OS Linux Chrome OS and etc. It could read and write mutiple cards at the same time to keep you away from the hassle of constant unplugging and re-plugging. Intelligent multiple protectionagainst over-current over- voltage leakage short circuit clutter etc. effectively protect the connected equipment and the hub itself.