03-12-2023 15:58
03-12-2023 15:58
Have just upgraded to a charge 5 from my old charge 2. Shows you should be able to track your o2 levels but nothing to tell me how to activate this.
03-12-2023 18:38
03-12-2023 18:38
It only tracks overnight while asleep, not all day.
03-13-2023 10:08
03-13-2023 10:08