D & K Exclusives USB 3.1 Type C Male to Female USB 3.0 Hi-Speed OTG Data Charge Cable for New Macbook 12" and other Type-C Device (Black) With OTG Function Connector : USB 3.1 type C Male to USB 3.0 Female OTG Reversible Design for Type C connector Super Speed USB 3.1 up to 10Gbit/s data transfer rate Compatible for New 2015 MacBook and all standard USB accessories to type-C port