Supports USB 3.0 to C-B port function, can directly read device data, plug and play, supports hot swapping function, and does not require additional driver programs or software installation. It has wide compatibility and reversible connectivity, ensuring correct insertion of connectors, using a metal casing, durable and wear-resistant. The ultra-thin and lightweight design is very suitable for saving storage space and portability. specifications Material: Metal shell Function: Data transmission, charging Colors: black, gold, silver, red, gray Packaging includes 1 * OTG adapter 1. We maintain a high level of responsibility for our customers and are as responsive as possible to the needs of our guests. 2. If you have any questions about our products, please contact us in time, we will solve it for you immediately! 3. Due to the different display devices, the color of the products may have some discrepancies, hope you can understand. 4. Due to the different photo shooting angle, the actual shape and size of the product may not be consistent with the picture, please refer to the description of the product size, everything shall be subject to the physical object received. 5. Thank you for your purchase, we sincerely wish you happy every day.