The POWERbreathe Fitness
- Lung Trainer is a brilliant easy-to-use h&-held device that significantly improves breathing efficiency. Using the laboratory-proven POWERbreathe training system of 30 BREATHS TWICE A DAY, the strength & endurance will increase rapidly. The POWERbreathe Classic is the result of intense research, trials & development by scientists at Birmingham & Loughborough Universities & is the first generation of POWERbreathe products. It is perfect for people who are moderately fit & lead an active lifestyle, whether professionally or socially.