For connecting up to 4 usb devices eg a usb memory stick usb card reader external hard drive to a usb c connection super speed data transfer rates of up to 5 gbps great distance between sockets makes it easier to plug in wider usb plugsdongles bus powered ie power supply via the usb port of a pcnotebook integrated usb cable for connection with a pcnotebook suitable and tested for usb 31 gen 1 also works with usb 30 and 20 devices usb 31 gen 1 is up to 10 times faster than usb 20 superspeed usb