Features：

• Connect a 4-position headset to a computer that has separate microphone and audio ports
• Connect your newer headsets (audio & microphone) to a PC or Laptop for use with VOIP applications (Skype / chat programs
• This 3.5mm headset splitter adapter connects into both the audio and mic ports on your desktop or laptop computer, providing a single (four-position) female connector
• Convert your stereo headphones that also have an integrated microphone to your computer's headphone and stereo jack with this convenient headphone adapter cable.
• Convert your cell phone headset into Computer Headset,Compatible with all computers, PCs, laptops, notebooks, desktops that with separate microphone and audio jacks
• Works with all PC Applications – Skype, MSN Mesenger, Yahoo, Google Voice etc.
• Compact design for maximum portability – a great solution to have on hand in your laptop bag
• Gold plated connectors resist corrosion and ensure optimum sound quality

Specification：

• Connector A:  4 pole 3.5 mm Female
• Connector B:Two 3.5 mm Male (one for L/R Audio and one for Microphone
• Length: 1 foot

Note,

Does not work for Apple BEATS headset