Portable Lung Capacity&Ab Trainer-Adjustable Resistance Breathing Exerciser

• Adjustable Resistance Abdominal Breathing Trainer - Portable design for home, gym and travel. Ergonomic silicone utilizes natural breathing patterns to strengthen diaphragm and core muscles, eliminating neck/back stress. Ideal for runners, swimmers and athletes looking for professional-grade respiratory muscle training without the need for gym equipment.
• High-density silicone abdominal trainer with real-time resistance calibration - no gym required. Scientifically engineered to increase lung capacity by 15-20% in 4 weeksx, it's compact enough to fit in a travel bag. The ergonomic, non-slip grip maintains shape during intense workouts, perfect for postpartum recovery and seniors.
• Adjustable pressure abdominal breathing device for athletic performance - built-in spirometer measures progress. The compact design fits in your gym bag and is perfect for pre-run warm-ups and post-workout cool-downs. Ergonomic curvature conforms to natural body contours, reducing joint stress during HIIT/volume training.
• Universal Abdominal Breathing Trainer - Non-slip silicone surface for safe home workouts. Improves core stability for martial arts, gymnastics and weightlifting. The adjustable flow valve requires 30% less effort than a traditional belt to achieve the same muscle engagement.
• Space-saving abdominal ventilator with adaptive resistance technology - no assembly required. Clinically tested to improve posture and reduce snoring by strengthening the diaphragm. Ideal for small apartments, RV owners, and deployed military personnel who need portable strength training.

What's in the box
1 x Smart Lung Trainer - Fitness Breathing Device with App
1 x Charger
5 x Breathing Tips
1 x Manual