The Rocstor Premium USB 3.0 USB-C to USB-Micro B cable is an ideal cable solution for connecting a external hard drive, smartphone, tablet, or other device that utilize a USB-Micro B port to a host computer, tablet or other device that has a USB Type-C port for USB 3.0 port. This Rocstor premium cable supports a data rate up to 480Mbps for data transfer and sync with 5 volts and 500 milliamps of power for device operation and charging. Worry free, backed by Rocstor Lifetime Limited Warranty.