LG Optimus F6 Stereo Inside The Ear Headphones Built In Hands Free Microphone Black With Crystal Clear Sound Provides a comfortable conversation while keeping your hands free. Dynamic Driver Techology Provides Undistorted Crisp & Clear Audio Microphone is attached to the wire Fits the 3.5mm jack in your LG Optimus F6 Some states requires a hands free device for using the phone while driving