AirFlow Max Breathing Trainer™ Color:Black Used as sunglasses glasses

Used as sunglasses glasses

Built-in adjustable grind settings ensures you have precise control over the coarseness of beans

Size: 180*130cm

size   bust waist  length   s  82  66  157  m  86  70  158  l  90  74  159  xl  94  78  160

green or Pink

AirFlow Max Breathing Trainer™ Color:Black Used as sunglasses glassesImprove Endurance: Our breathing exercise equipment challenges you to improve your exercise performance and overall endurance. Expand Vital Capacity: Our device helps expand and improve your vital capacity without the need for excessive aerobic exercise or calorie burning. Portable and Compact: The Adventure lung breathing training instrument is designed to be highly portable and easy to carry. Adjustable Resistance: The device features an adjustable