Silicone Lung Breathing Training Device for Exercise Training Improving Lung Capacity

Label:Yes Size:5*10cm(2.2*3.9in) Color:Black,White Type: BreatLung Exerciser Expander Material: Silicone, ABS Brand New and High Quality Package Includes:1Pc Lung Breathing Training Device

Features: 1. Improve Endurance: Breathing muscle trainer improves aerobic exercise endurance and increases muscle endurance. 2. This lung breathing apparatus can help you adjust your breathing and increase your vital capacity during exercise. 3. Improve Physical Function: This breathing apparatus can help improve breathlessness and pressure, and improve physical function. 4. Adjustable Resistance: This lung capacity training device can adjust the resistance according to your needs and is easy to use. 5. Portable: This breathing apparatus is portable, compact, lightweight, easy to clean, and does not burden your body during sports.

Tips: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understanding!