Unitek Y-278 USB2.0 USB-A Male to USB-A Female Active Extension Cable 10m   Built-in USB2.0 extension chipset for extending the transmission distance With USB2.0 specification, data transfer speed up to 480Mbps, backward compatible to USB1.1 Copper wire enhances the signal transmission With an additional USB Type-A port for power supply, by connecting to external power supply, it can enhance the performance of the extension cable, use when necessary Plug and play, hot swappable