This item is a 1pc Adjustable Resistance Breathing Exerciser designed for lung capacity training during activities such as running, swimming, gymnastics, and other aerobic exercises. It is ideal for improving aerobic fitness and overall lung function.
Daily Exercise - This trainer helps improve your fitness, strengthen your lung, and practice stress management.Suitable for Man and Woman - It's suitable for various people including athletes, musicians, and average person, also for sports that need higher energetic performances like swimming, athletics running, gymnastics, martial arts, and other outdoor activities requesting higher physical activity.Easy To Use - Lightweight and simply designed with high-quality flexible silicone mouthpiece and ABS handle.Portable and Convenient- Its compact size allows it to be carried in your handbag or pocket easily. So, with this trainer, perform your daily training wherever you are.