This USB Type A female to Type B male gender changer adapter coupler is used to connect and convert a USB Type A connector into a USB Type B connector. It is also can be used to connect two USB end cables together to extended the length of the cable. Molded and fully shielded to preventing any unwanted EMI/RFI interference. *Please note that extension may be limited to 16 feet maxium. Picture shown front and back view and for demo purposes only. Each order contains 1pc. Standards: RoHS, UL, CSA, ISO 9001:2000 manufacturer.