The Cable With Two Hosts End And It Can Connect Usb3.1 Type-C Or Usb 3.0 Type-A To Laptop/Computer. The Connect The Micro Usb 3.0 Device Like External Disk. The Type-C End With 5.1K Otg Resistor And It Only Can Connect The Host, Not Work For Any Target Device. Usb3.1 Type-C Or Usb 3.0 Type-A, Only One Host Can Work At Same Time. Cable Length: 60Cm