4-Conductor(Tip, Ring, Ring, sleeve) headphone cable has microphone function, which compatible with any devices with 3.5mm 3 pole jack and 4-Pole TRRS accessories. 3.5mm TRRS Male to Male Audio & Microphone Cable - Connect Your Devices and Enjoy Stereo Audio and Voice. This 3ft 3.5mm TRRS male to male audio and microphone cable is the perfect solution for connecting your portable devices to your headphones with microphone. Simply connect your smartphones, laptop, or tablets to your headphones with microphone with this one single cable. It also works with PC/laptop, speakers, headsets, mp3 players, or microphones with a 3.5mm connector. This 4-conductor 3.5mm TRRS (Tip, Ring, Ring, Sleeve) cable provides an extra conductor over the stereo TRS plug, allowing you to carry both stereo audio and voice over one single cable. This makes it ideal for use with smartphones, tablets, and other devices that have a single 3.5mm jack for both audio and microphone.