This stereo 3.5mm extension cable is a handy accessory to create 6 meters of extra length for many audio applications. On one side there is a 3.5mm male jack plug and on the other side you will find a 3.5mm female jack plug. The sound output is in stereo (L / R). This is essential for recording music and interviews. If the voice of the interviewer and interviewee are recorder separately on the left and right channels, this cable makes sure both channels stay split.