USB 3.0 Coupler Adapter USB Type A Female To Type A Female Extension Connector Converter AdapterPractical and Small light in weight and very convenient. new and easy to useMade to change Gender of USB device/cableCompatible with PC and Mac USB 1.1 2.0 and 3.0Y ou can easily convert your existing cables to your different needs. Easily extend/lenghten your cable by connecting your cables with this USB connector.