UCEC Motherboard 20pin Header Male To Dual USB 3.0 Female Cable Adapter 0.8Feet (0.25Meters) 1. Conductor with high purity oxygen-free copper wire core production; High transmission speed! 2. With a 125% Mylar foil and wrap the outside as well as more than 80% of the data line triple braided shield, not only effectively cut off from outside interference signal can also ensure that each group of independent signal transmission, without disturbing each other, to ensure that the transmission speed faster and more stable. 3. PVC outer is using the latest environmental standards, comply with ROHS and REACH requirements, providing third-party certificate authority. 4. The data wire twisted-pair (impedance matching), to minimize signal cross-crosstalk data cable. 5. USB3.0 transmission standard, providing up 5Gbp / s ultra-fast data transfer rates, no driver, hot-swappable, plug and play, backward compatible with USB2.0, USB1.1 specification.