Multiport Surface Go / Surface Go 2 /Surface Go 3 HubEasily extend one USB C port and one Audio port to 1xUSB 3.0 + 2xUSB2.0 ports, 3.5mm Headphone Jack, SD/TF Card Reader, without install drive, plug and play. Specially designed for Microsoft Surface Go / Surface Go 2 /Surface Go 3 (Note:please do not use with protective case). Surface Go / Surface Go 2 /Surface Go 3 Adapter with Card Reader PortPowerful SD/Micro SD Memory Card Reader: Eletrand Surface go Combo Dock Can't read and write SD/Micro SD card simultaneously, supports SDXC,SDHC,SD,MMC, RS-MMC and Micro SD, TF, Micro SDXC, Micro SDHC, UHS-I memory cards, support cards Capacity up to 128G.*Note: SD card slot and card slot can't be used at the same time.