Connect existing USB 2.0/3.0 peripherals to USB 3.1 devices. Convert a computer's USB 3.1 Type-C port into a USB Type A female port to connect existing USB 2.0 and 3.0 devices. Sync/charge USB 2.0 and 3.0 flash drives keyboards mice and other peripherals. Works with devices with USB 3.1 Type C connectors.