SurfacePro 7 Design:The Surface Pro 7 Hub turns the USB-A connection and USB C into seven ports (USB 3.0 port (5Gbps) X3, USB-C 60W PD charging port X1, USB-C data transfer port X1,SD and MicroSD Reader cards are compatible with Microsoft Surface 7.Note: Not compatible with Surface Go/Surface Pro 3,4,5,6 / Surface Pro X.?60WUSB-C charging power supply: Supports USB-C direct charging.Allows charging Microsoft Surface Pro 7 while using a USB-C hub at the same time.SD/Micro SD Card Reader: supports reading both TF and SD cards at the same time.Compatible with SDXC, SDHC, SD, MMC, RS-MMC, TF, Micro SDXC, Micro SD, Micro SDHC, Mini SD, UHS-I card.Supports Windows, Mac and Android OS.Windows 2000 / ME/XP/Vista / 7/8/10 / Mac OS 10.x system.