Diving Silicone Bite Ergonomic Silicone Mouthpiece Training Outdoor Respirators Lungs Breathing Exerciser

Price:
US$12.19

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This breathing trainer can expand the lung capacity and enhance the body's endurance. It is small and portable, comfortable to use, and has adjustable breathing resistance.

Features:
Breathing exercise: breathing exercise device challenges yourself to perform the better workout and improvement of your overall stamina.
Expand lung capacity: It helps to expand and improve your lung capacity without having to do a ton of cardio and risk burning calories.
Adjustable resistance dial: adjustable resistance dial can adjust the respiratory resistance, adjust the intensity according to the user's needs, and cope with various training needs.
Small and portable: Lung breathing trainer is extremely compact. With this device, perform your daily training wherever you are. For example, breathing exercises can be performed during running.
Fine quality material: made of silicone, the breath trainer is practical and has long service lifes, more comfortable to use.

Specifications:
Material: silicone 
Item size: 101.6 * 55.9 * 25.4mm / 4.0 * 2.2 * 1.0in
Item weight: 50g / 1.8ounce
Package size: 150 * 100 * 50mm / 5.9 * 3.9 * 2.0in
Package weight: 68g / 2.4ounce

Packing List:
1 * Breathing Exerciser