Features: Supporting forward and reverse plugging and OTG reverse power supply, it can expand mobile phones/tablets into control terminals for external devices such as USB drive and hard drive, enabling mobile office and direct reading of multimedia files. Equipped with USB 3.0 female and Type C male bidirectional channel, the data transfer rate reaches 5Gbps, meeting the Fast speed copying needs of 4K video transmission and large engineering files. Suitable for 5V/12V input voltages, intelligently recognizes device power requirements, supports stable power supply for mobile hard drive (up to 12W) and synchronized charging for smartphones. Using insulation material and gold-plating contacts, the insertion and extraction life is ≥ 5000 times, suitable for working environment of -25 ℃~45 ℃, and the resistant electromagnetic interferences performances is improved by 30%. Seamlessly connection between Type C interfaces phones and USB 3.0 devices, achieving crossing platform interconnection between old and new devices Specifications: Material: Aluminum Color:Gray,1,Green Type: Gold Plating,1 Length:Approx.29mm/1.14'' Package Includes: USB C to USB Adapter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color