Беговой регулятор дышащий 6 уровень воздушный поток Спортивная маска кислородный контроль тренировки езда на велосипеде Водонепроницаемый высокая высота имитация

Features:
1. The athletic breathing mask has a comfortable, edible silicone mask that fits snugly against the face.
2. Workout mask has breathable and comfortable cotton elastic pores elastic fabrics, 6-position adjustment lever to adjust the resistance,
silicone breathing material more clean and safe, more obvious effect of oxygen barrier.
3. Oxygen-inhibiting masks can effectively improve your oxygen intake.
4. Sports mask of the six levels are strengthened from low to high.
The exercise mask shift from left to right is adjusted by small and large resistance.
5. The mask is suitable for cycling, climbing etc.
6. It exercises your heart and lungs, fitness, endurance and explosiveness to stimulate your body's wireless potential.
Exercise mask to increase the difficulty of training can get rid of fat, better shape.
Specifications:
Material: Silicone, Cotton
Color: black
Gender: unisex
Level: 6
Level 1: Simulated 500M
Level 2: Simulated 1000M
Level 3: Simulated 3000M
Level 4: Simulated 4000M
Level 5: Simulated 5000M
Level 6: Simulated 6000M
Size: (Approx) One Size
Package Included:
1 PC x Sports Mask
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.