The NAUSB-W-B is Reversible USB 2.0 gender changer (type A and B), black D-housing Due to the rising digitisation the interface problems between audio/video networks, IT equipment, MP3 camcorders, etc. increase. A rugged solution is needed.Neutrik's reversible USB gender changer, mounted in the standardized D-shape housing, and the rugged patch cables solve this problem.