The DUB-M530 5-in-1 USB (Universal Serial Bus)-C Hub with HDMI & SDmicro SD Card Reader means that you can instantly add an HDMI display, SD card reader, & two additional USB (Universal Serial Bus) 3.0 ports to your computer. Just plug the DUB-M530 5-in-1 USB (Universal Serial Bus)-C Hub into an available USB (Universal Serial Bus) Type-C port