USB-C USB 3.1 Type C Female to USB 3.0 A Male Data Cable 20cm with Panel Mount Screw Hole Type C connector is the new design for USB 3.1 Reversible Design for Type C connector for Macbook Tablet &Mobile Phone & Hard Disk Drive The cable only transfer the usb 3.0 data and power, cannot connect usb-c video/audio and other adapter to usb 3.0 (it cannot work).