1. Connect the earpiece to the throat microphone kit.
2. Wear the throat microphone kit around your neck, so that the earphone cable is pointing backwards.
3. Adjust the clamp to increase or decrease the size of the neck band. If necessary, remove the neck band to adjust. When the optimal size is found, the neck band is comfortably worn and the contact between throat mic and the neck skin is solid.
4. Adjust throat mic's position between Point A and Point B (Point A: vocal cord, Point B: where right below the ear). To find the optimal position of maximum audio performance, users are encouraged to repetitiously try the optimal position in the area between A and B. It will increase the volume and decrease the sound clarity to place the throat mic closer to A. And it will decrease the volume and increase the sound clarity to place the throat mic closer to B.