About POWERbreathe POWERbreathe: drug free, evidence based, breathing rehabilitation and respiratory training products. Global leaders in breathing technology that work closely with World Leading Scientists, Electronic and Design engineers to develop cutting edge products in the respiratory field. POWERbreathe will be showcasing the world's first digital hand held respiratory muscle training, assessment and monitoring devices for the healthcare professional. To complement the range of popular mechanical POWERbreathe Inspiratory Muscle trainers they are also introducing a range of respiratory care and breathing physiotherapy devices – The Shaker range of expiratory mucus clearance devices; The Shaker Classic, The Shaker Deluxe and The Shaker Plus.