It does its job though I want to make some suggestions.
*improve sound so that without looking at it we can tell if it hits the top or not as the sound dosent communicate that very well at the moment.
*integrate sound so it can play with music - potentially aiding runners who want help pacing their breathing while running
*integrate binaurial or isochronic beats in it that are set to relax us...this way we get a bit of help relaxing when we turn it on. (make this a feature we can turn off)
dave espo about BreathPacer