Adurance Breathing Exercise Device, Lung Health Exerciser High Altitude Training Device with Adjustable Resistance Levels
LUNG CAPACITY – It helps to expand and improve your lung capacity without having to do a ton of cardio and risk burning calories
PORTABLE DEVICE – Adurance lung breathing trainer is extremely compact. With this device, perform your daily training wherever you are
WORKS GREAT – Adjustable resistance dial makes simplest tasks tougher and workouts more intense as your needs
WARRANTY – Backed byLifetime Limited Warranty and friendly US customer service, buy this Elevation Workout Mask with confidence
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