Reduced!For Lungs High Altitude Training Breathing Exercise Device Silicone Respiratory
Features: BREATHING EXERCISE: Breathing exercise device challenges yourself to perform the better workout and improvement of your overall stamina 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: 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 MATERIAL: Made of silicone, the breath trainer is practical and durable has long service life Specification Material: Silicone Color: White+black Size(L x W x H): About 10 x 5.5 x 5cm/3.9 x 2.2 x 1.97inch Package included: 1pc x breathing exercise device
Reduced!For Lungs High Altitude Training Breathing Exercise Device Silicone Respiratory
Features: BREATHING EXERCISE: Breathing exercise device challenges yourself to perform the better workout and improvement of your overall stamina 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: 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 you...
