Bullet Points:
【Improve Your Endurance】: Breathing Exercise for Lungs is helpful to improve your breath, helps you get better endurance, and makes you feel better day by day.
【Effective and Useful】: Strengthens your lung capacity and helps you adjust the abdominal muscles, Lung Exerciser Device makes it possible for you to exercise core muscles.
【Changeable Resistances】: Designed with adjustable resistances, Deep Breathing Lung Exerciser allows you to easily find the right resistances level and adjust accordingly.
【Enhance Body Performance】: Helps you build up your breathing and abdominal muscles, Breathing Trainer for Lungs will strengthen your overall performance.
【Lung Capacity Augmentation】: Brings great help to decrease the accumulation resulted by body waste, Lung Endurance Trainer will reduce the buildup brought on by bodily waste.
Description:
Breathing Exerciser for Lungs helps you improve your endurance, exercise breathing and abdominal muscles, and decrease the accumulation caused by body waste, therefore strengthening your overall performance.

Specifications:
Product Name: Breathing Trainer
Size: about 5*10cm/1.97*3.94inch
Material: Silicone, ABS
Weight: about 68g
Use: Aerobic exercise

Packing List:
1pcs* Lung Capacity Exerciser Device

Notes:
1. Due to the lighting effects and photographing angles, there is a color difference in the product, please understand.
2. Due to manual measurement, there is a tolerance in the product size.