This adapter will extend/ connect a DB15 cable to a DB15 cable and vice versa this mini adapter can be used to splice/add-on together two existing cables. Used on computer, audio, video and data applications. Fully shielded to prevent unwanted noise. Widely used on and compatible with PC, Game Joystick . Each order Contains 1PC (One Piece). Picture demonstrated adapter's front and back connection. Standards: UL, CSA, ISO 9001:2000 manufacturer