Audio/Microphone Headset converters adapter for PC, one 3.5mm female to two 3.5mm male ports V-8 3.5mm stereo y-splitter cable allows you to easily connect your stereo headset & Mic to a PC audio port and mic port at the same time. 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 works with all PC Applications - Skype, MSN Messenger, Yahoo, Google Voice, etc. Warm Tips: To ensure proper hardware detection, we recommend that the external headset be plugged into the adapter first, before the adapter is connected to the computer or mobile device. -Only compatible with CTIA standard Android headphones, do NOT compatible with CTIA standard Apple Earbuds. -Not compatible with Beats headphone, Bose Earbuds and Apple headphone.