Expand your audio capabilities with the StarTech 3.5mm 4-Pin to 2 x 3-Pin 3.5mm Headset Splitter Adapter - F/M. It s designed for you to connect additional accessories with a listening and speaking input to your PC or laptop. The lightweight and sturdy design of this headset microphone splitter adapter supports rugged use to give you long life and reliability. This item plugs into both the matching ports on your desktop or laptop computer providing a single (4-pin) female connector. The headphone splitter adapter offers a nice solution for online gaming or use with VOIP applications such as Skype and chat programs. It s lightweight and compact making it highly portable for added convenience.