Smart Breathing Trainer for Exhaling – Lung Capacity Expander & Respiratory Muscle Strengthener, Portable Breathing Exercise Device for Fitness, Pulmonary Rehabilitation, Asthma, COPD Therapy

BREATHING EXERCISE DEVICE - Ideal for athletes and individuals looking to enhance their performance and overall well-being. Use for just 5-10 minutes daily, starting with 3-5 sets per day, and gradually increase the intensity as you progress.

PORTABLE POCKET-SIZED TRAINER - Weighing only 1 oz (28.8g), this compact device is easy to carry, allowing you to train your breathing anywhere, anytime.

ENHANCE BREATHING STRENGTH - Strengthen your breathing muscles, especially the diaphragm, to extend endurance and oxygen supply during exercise. The device features a light effect progress bar to make training more engaging.

TRACK VITAL CAPACITY HISTORY - For those focused on health, this device tracks your last five vital capacity measurements. Regular use can help regulate your breathing, heart rate, anxiety, sleep, and more.

SIMPLE AND EFFECTIVE - With just one moving part, this easy-to-use device increases resistance to improve breathing muscle efficiency and endurance. Most users see significant improvement within 45-60 days of consistent training.