Everything you need to know about the new o2trainer, the "Original 2.0".

0:21 the o2trainer conception 8:23 Doctor endorsements 9:27 Muscle efficiency 10:23 Survival rule of 3 10:53 Where to use it 11:43 Exercise 1#, activating the front breathing muscles 13:53 Exercise #2, activating the back breathing muscles 15:40 the o2trainer usage 16:31 Ordering the o2trainer