Mute/unmute button

Not sure under which forum to post this so its here. Im having issues with my microphone being pretty quiet 90% of the time but sometimes it randomly goes extremely loud. I can replicate the problem a 100% of the time by muting on the headset and unmuting. The headset is Razer kraken 3.5mm...

I may end up spending a few thousand dollars on a computer sometime in the future, about as much as a low end car; but much easier to steal. I'd really like to know about a battery powered tracking device that could maybe plug into the power supply to recharge that would be ideal for my hopeful...