Please Kindly Note: This adapter do not support Iphone and Iphone headphone.Overview: This 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 Mesenger, Yahoo, Google Voice etc. Features: -24K Gold Plated for better sound quality and less loss -Input: 3.5mm 4-position female for headset or earphone -Output 1: 3.5mm 3-positiion male for Headphone Jack on your PC/Laptop -Output 2: 3.5mm 3-position male for Mic Jack on your PC/Laptop -Oxygen-free copper provide maximum's conductivity and durability. -Flexible cable length 30cm Innovative Audio Ports: While some laptops like Dell feature only a single (4-position) 3.5mm audio port to support both audio input and output, this innovative headset splitter adapter breaks the audio port out into two distinct ports - one that can be used for a microphone input connection, and the other for connecting external (output) speakers 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 Iphone Headset. -Not compatible with Beats headphone and Apple headphone. Package Included: 3.5mm female to 2 male Headphone Mic Audio Y Splitter Cable