feature: Full-duplex data transmission, in USB3.1, in addition to the four main lines, two sets of cables are added (each set has a pair of signal lines and ground lines, and the periphery is shielded with aluminum foil, so that it does not interfere with each other) ,one. Groups are used to send data and groups are used to receive data. That is, USB3.1 can perform read and write operations synchronously at full speed. Previous USB versions did not support full-duplex data transfer. Double shielding (braided shielding and aluminum foil shielding) can greatly reduce electromagnetic interference and radio interference, and transmit data stably. Support USB 3.1 (10Gbps), compatible with USB 2.0 (480Mbps) and USB 1.1 (12Mbps) specifications. The unique aluminum alloy body and reinforced connector can withstand more than 10000 meters of mating test. Stable and durable, break-resistant, nylon braided cord. Specification: Material: Nylon Length: Approx. 50cm, 100cm, 150cm Net weight: 25-68g Package includes: 1x USB-C extension cable annotation: Please allow 1mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 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.