USB 3.0 Type A to USB3.0 Micro B Male Adapter Cable Data Sync Cable Cord for External Hard Drive Disk HDD Super Speed Cable. Plug and play, easy to use. USB 3.0 interface, downward compatible with USB 2.0. High speed transmission, up to 180-300Mbps. Applied to mobile hard disk. Material: Tin-Plated Copper Core + PVC. Features: Male to Male, Easy to Use, High Speed Transmission. Cable Length: 40cm/15.75", 50cm/19.69" (Approx.).