SuperSpeed USB 3.0 Female Coupler-USB 3.0 Female Coupler - Type A Female to Female -Connector Converter Adapter - Black Premium Quality USB 3.0 coupler: Gold-plated connectors that provide durability and resist corrosion VERY HANDY USB COUPLER is useful to connect any USB 3.0/2.0/1.x cable with the full-sized Type A-Male connector to another USB cable. Extend the length of an existing cable or connect to an installed cable located in the back of a computer Wonderful Performance: Superspeed USB 3.0 Performance provides up to 5 Gbps data transfer rate while supporting backward compatibility with older type USB 2.0/1.x cables. USB COMPATIBLE without sacrificing performance to any USB cable