1. Wire material: oxygen-free copper 2. Process: nickel plating 3. Version: USB2.0 4. Purpose: used for extension cords such as connecting cables, U disks, mice, keyboards, etc. 5. Thicker core, stable and not dropped 6. Strong anti-interference, stable transmission without loss 7. Extend the USB port of the computer host to the desktop, making office work more convenient 8. The line body is made of thick PVC material, which is more wear-resistant 9. The gold-plated interface is anti-oxidation, wear-resistant and not easy to rust 10. The transfer speed can reach 410M/S, and 1GB files can be transferred in 3 seconds 11. Length: 5 meters, 10 meters 12. Weight: 75 grams, about 100 grams