Universal USB 3.0 extension cable (white flat) Length 3.28FT, A-Male to A-Female USB3.0 data lines are all manufactured using high quality environmentally friendly oxygen-free copper, copper wires, transmission signal stability, high speed, causing the USB interface voltage drop is small, when you connect the device ample supply, stable Line all-metal body with tinned copper braid + foil double shielding, the perfect shield various external interference, to ensure that the transmission speed Double layer of aluminum foil + aluminum foil double shielding, anti-interference ability, stable transmission Data twisted wire (impedance matching), the data line signals to minimize cross harassed  USB3.0 transfer specification provides data transfer rates up to 5Gbps Flexible PVC Jacket: flexibility, smooth, resistant to bending / aging / wear, durable