Application: This optical cable adapter is designed with two female ports that allow you to extend the optical cable. Suitable device: This digital audio fiber optic extender is a good fit for a DVD player, recorder and other audio equipment. Long-lifespan: This optical cable expansion coupler is made of plastic and is strong and sturdy, and not easy to break. Portable: With a small size, this audio optical cable connector is convenient to carry, and won't take much space. Easy to use: This fiber optic adapter is designed with two female ports, so you can quickly connect two cables with male connectors. Colour:Black+Gray Material:Plastic Package Contents: 2 x Optic Fiber Cable Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.