3.5mm AXU plug, Connector kit compatible with Howard leight safety earmuffs, Sordin Supree Pro X,PELTO TACTICAL 300, 500 headset, EM054 hearing protection of ZOHAN Gear kit will convert ear protection into communicated earmuffs. Be adjust position of microphone by velcro. Bendable mic will help you adjust mic more easily. Ptt is u94 system k plug,compatibel with baofeng radio. Be easy to install and remove,WILL not change a lot for your tactical headsets Step 1: Put the larger Velcro on the side of earmuff with the aux jack, then insert the Y-line plug into the headset axu, adjust the microphone position, and finally fix it on the headset with a circular Velcro.
Step 2: Connect the Y line to the PTT, and the PTT to the walkie-talkie, adjust the frequency of the walkie-talkie and install the battery,turn on the headset to start the communication.