Generally used for USB interface conversion, or two USB plug-in docking.; Plug and play, nickel plated interface, mini and compact.; USB 2.0 conversion interface, high-speed transmission, downward compatible with 2.0 and 1.1 devices, external hard disk, camera, HD display, digital camera and other USB 2.0 devices.; Inner and outer mold are finely made, without interference and attenuation due to the adapter.