3.5mm Speaker and headphone Splitter with two male ports:one for Headphone Jack on your PC/Laptop,the other for Mic Jack on your PC/Laptop Headset to PC adapter,With 3.5mm Speaker Mic Stereo Audio Y adapter, you can connect your newer headsets (audio & microphone) to a PC or Laptop 3.5mm audio Y splitter cable with Oxygen-free copper provide maximum's conductivity and durability,Compact design for maximum portability - a great solution to have on hand in your laptop bag 3.5mm stereo splitter cable allows you to easily connect your stereo headset Mic to a PC audio port and mic port at the same time. If you are using Microphone to record voice/Song with this product in Mobile/Laptop/PC then using Voice record application, othervise voice not record. Dual 3 position 3.5mm jack, ideal for connecting two headsets on one audio source, let you enjoy your cellphone music together with your friend easily. Note: This headset adapter is suitable for connecting a 4-pin TRRS gaming headset in CTIA audio jack standard (audio & microphone) to a tablet, old version laptop or PC Computer with separate microphone and audio connectors for online gaming or use with VOIP applications.