The conductor is made ofoxygen-free copper, which provides high transmission speed. The double-layer shielding isolation reduces external interference, which can make the transmission effect more stable. It& 39;s also compatible with USB2.0 and USB1.1 devices. It& 39;s durable and wear-resistant to use. Item Name: Printer Cable Material: Copper, PVC Core Wire Grouping: Power Wire 28~20AWG, 2.0 Signal Wire and Ground Wire 34~28AWG, 3.0 Signal Wire 34~26AWG Features: Durable, Stable Signal, High Speed, Extension Line Line Length: 0.3m/11.81", 1m/39.37", 1.5m/59.06" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Printer Cable