USB 3.1 Type-C Male to USB 3.0 Type-A Female OTG Adapter. USB 3.1 Type C male to USB 3.0 Type A female Adapter specially designed to provide backward compatible data transfer and power charging.connect USB 3.1 Type C devices Compatible with USB 3.1 Type C port. Data Sync and Charge. Plug and Play. Type-C USB is a new future-proof connection standard delivering faster speed for data transfer.