These 4 Conductor, 3 Ring TRRS Audio Cables can connect or extend any 3.5mm 3-ring ports or devices. Specifically designed for computer & smartphone audio & mic headset applications. They work with any PC or laptop, speakers, headsets, smartphones, tablets, mp3 players or microphones with a 3.5mm connector. These cable have a PVC jacket, molded ends and inner hood soldered 360 degrees for complete end to end shielding.