RuiLing 2-Pack, USB 2.0 Vertical Angle Adapter USB 2.0 Female to Female Adapter Coupler Connector. USB 2.0 Female to Female USB A to USB A coupler adapter connector Simply use this adapter to change gender of connections quite portable, can also be used to connect 2 USB cables to become an extension This adapter will convert a USB A male into a USB A female USB 2.0 or 1.0 Compliant Fully support High Speed USB 2.0 specification