Redskypower Audio Microphone Splitter, 3.5mm Female CTIA Standard to 2 Dual 3.5mm Male Audio Mic SplitterHeadphone Mic SplitterThe 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 TipsTo ensure proper hardware detection, we recommend that the external headset be plugged into this 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.Because of the different connector pin connection, this headphone mic cable is not recommended for Apple original earphone and Beats headphone.