Ear Force Tango Keeps Shutting Off

Whether im talking, have background noise, in game noise, or not, they proceed to "power off". I know theres an auto shut off if the mic doesnt pick up noise..but i constantly have some kind of noise. While in a lobby or in game..it also shows the mic flashing like im talking when im not. Friends say nothing sounds odd but do see it flashing on the screen as well. Im also not hearing the beeping alarm to let me know they will be powering off soon. Am I missing something? Pretty annoying to have these randomly keep shutting off..sometimes after five minutes and other times after almost an hour or so?