Use the Fitness Audio Replacement TA4F Cable with the Fitness Audio FM41 Fitness Headset Microphone and simply unscrew one cable and screw in the other. The universal cable design allows you to purchase one cable to cover multiple brands of the same connector that are wired differently - if a multi-match can't be made, a cable swap is easy. Fitness Audio FM41 Headset is sold separately.
Questions about whether this cable will work with your existing fitness headset microphone? with your questions prior to purchasing.
For use with the: