The item is a headphone microphone jack splitter. The headset splitter adapter features one 3.5mm Male (TRRS) and two 3.5mm (TRS) Female connectors, enabling you to add a mono microphone input, as well as a stereo output to your PC or Laptop, through a single 3.5mm audio port. It can turn the port into two distinct ports – one 3.5mm headphone jack 3.5mm microphone port. Features - Color: Black. - Material: Gold-plated plug, imported TPE wire, plug model PE material. - Size: 15 * 1 * 1cm(L * W * H). - The standard, support model: , , , millet, , Meizu, full range of mobile phones, as well as other brands using standard phones (such as , , , etc.). - Easy to use. - Turn a 3.5mm headphone/microphone port into two distinct ports - one 3.5mm headphone jack 3.5mm microphone port. - Allow the use of older audio accessories with newer computers. - Compact design for maximum portability - a great solution to have on hand in your laptop bag. - Lightweight, yet sturdy design that can easily be when required. Package list: 1 * Headset Adapter for Headsets with Separate Headphone / Microphone Plugs - 3.5mm 4 Position to 2x 3 Position 3.5mm /F