A loner of sorts, one deep in his thoughts and lost within this system called the world.
The inner workings that gear a technology seemingly uncommon from most; It's as if a rare brand has been established but the feedback is too inferior to take heed to.
Self reflection can mirror the interiors true nature and take its course to becoming a cry for help.
Body language, a morse code, should do the job I suspect although these low frequency murmur speeds by basic hearing components not smoke signals.