Package Including: You will receive 6Pcs DB25 male to female gender changers. Number of needles/cores: 25. Number of rows: 2. | Function: Db25 gender changer can change the gender of your port, and join two cables together, so that you can use the cable already have. | Wide Compatibility: It can connect all kinds of serial devices, which can be well connected without reducing the connection signal. | Easy to Carry and Storage: Simple design VGA coupler is easy to use and install, no power needed, plug and play. It can be used at home or carried with you. | Wide Application: Gender changer can quickly change the gender, or join two cables together. It is widely used in computers, LCD TVs, projectors, set-top boxes and other equipment.