It is basically a timer for your breathing exercises, as the idea is that you inhale and exhale slowly, hold your breath in between, each step lasting 4 seconds.
I tried to make it as simple as possible, and to make it usable with old devices as well.
It is basically a timer for your breathing exercises, as the idea is that you inhale and exhale slowly, hold your breath in between, each step lasting 4 seconds.
I tried to make it as simple as possible, and to make it usable with old devices as well.