Apollo23-4 Pin USB 2.0 A M / F Extension Adapter Connector Male to female USB adapter can also be used to connect 2 USB cables to become an extension. Simply use this adapter to change gender of connections quite portable. 100% shielding provides EMI/RFI protection. 1 x 90 Degree 4 Pin USB 2.0 A M / F Extension Connector Adapter 100% brand new and high quality