Portable Smart Breathing Trainer Rechargeable Respiratory Exercise Device LED Progress Bar Compact

This Portable Smart Breathing Trainer is ideal for athletes, runners, and fitness enthusiasts looking to enhance their lung capacity and endurance.

• Smart LED Progress Indicator for real-time feedback on exhalation strength.
• Stores the last 5 performance records to track improvement.
• Rechargeable via USB-C, eliminating the need for batteries.
• Compact dimensions of approximately 5.51 x 0.87 x 0.47 inches for easy portability.
• Resistance-based training to strengthen diaphragm and respiratory muscles.

• Weight: approximately 1 ounce (28.8g).
• Charging: supports approximately 300 training sessions per full charge.

• Portable Smart Breathing Trainer.
• USB-C charging cable.