SEPTEMBER Breathing Breathing Trainer for Household Lung Fitness Trainer Respirator Exercise Equipment Breathing Exercise Silicone Healthy Care Accessories Face Mouthpiece Exercise Lung Fitness Equipment/Multicolor

Quantity: 1pc Material: silicone Package Included: 1 X Lung Fitness Trainer Color:black&white Product size: 9.5 * 5.5cm/3.74*2.16in Feature: Breathing exercise equipment to challenge yourself for better exercise and improve overall endurance. Vital capacity - it helps to expand and improve vital capacity without the risk of having to do a lot of aerobic exercise and burning calories. The portable device - Adventure lung breathing training instrument is very compact. Easy to carry. The adjustable resistance dial makes the simplest task more difficult, and can exercise more intensely according to your needs. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement.