Color: USB-C Hub + Card Reader USB 3.1 Type-C Hub for Apple Laptops Google Chromebook Pixel This is USB-C to three USB 3.0 hub with Micro SD and SD/MMC card reader It can work on Macbook or Google new Chromebook Pixel and other USB-C supported devices Note Micro SD and SD/MMC port can't work simultaneously, you can choose to use one of them according to your practical need Feauture It supports USB 3.0 super speed (5Gbps) transmission, downward compatible with USB 2.0 USB 3.0 ports support charging and dattransmission simultaneously Total output of the three USB 3.0 ports up to 900mIt supports plug and play, hot swap, easy to use and carry It supports SD/SDHC/SDXC (up to 128 GB) It supports Secure Digital v 3.0 UHS-I (Reading speed max 70Mbps, Writing speed max 90Mbps) It support MultiMediaCard (MMC) specification Package list Main unit x1