[Microphone Headset Adapter] This 3.5mm audio adapter cable combines 2 microphone and headphone jacks on the computer into a 3.5mm headphone jack. It lets you listen to music and make calls on your computer through a headset with a microphone. Note: Before plugging the adapter into the PC, make sure the headset and microphone are plugged into the adapter. Otherwise, it will not pick up the microphone. Audio microphone splitter cable with 1 x 3.5mm male plug: one for the PC/Laptop headphone jack and the other for the phone jack. PC/laptop. It allows you to listen to music and make calls on your computer through a handset with a cell phone microphone. Note: If the female 3.5mm device port conforms to OMTP standard, the Mic function will not work. [Strong Compatibility] Compatible with various laptops with microphone ports and independent audio ports. It is suitable for all PC applications - Skype, MSN Mesenger, Yahoo, Google Voice, etc. The female jack of the audio cable is compatible