Bracket Data Sync (OTG) and Charging You can look at the third picture to know its functions. Allows you to connect your USB Type-A laptops or chargers with USB Type-C cable, USB Type-C hubs and USB Type-C devices. True Superspeed USB 3.0 Technology: Made of high quality materials and strict model, to achieve real data transfer speed up to 5Gbps. (Backward compatible with USB 2.0) Plug and Play, very convenient. Convert USB 3.0 male to Type C female. Package Contents: 2pcs Type C Female to USB 3.0 A Male Adapter Scenes to be used USB interface: Computer, PS3/XBOX game console, TV and other devices with USB interface can be used... Type C interface: storage, data cable, mobile phone Color: Black Quantity delivered: 2 pieces