TWTOPSE Cycling Face Mask Sports Training Mask 4.0 Fitness Workout

Description

TWTOPSE Cycling Face Mask Sports Training Mask 4.0 Fitness Workout
​About it:
We have developed in common with professional science laboratories and have a number of patents. Using environmentally friendly Dow Corning silicone material, it has passed the NELSON laboratory inspection in the United States and is non-toxic and harmless. The Chinese National Basketball Team (CBA) uses it for daily training, which can significantly increase muscle strength and oxygen uptake while accelerating fat consumption. And the air filter function is added to better move outdoors. It has good protection for viruses, bacteria, car exhaust, PM2.5, dust, pollen and catkins. Make exercise healthier and unaffected by the environment.
Appearance We borrowed from Star Wars, sports cars, and sharks to design. You will be stylish, avant-garde and unique.
Product Detail:
Color-Purple Black
Brand:
TWTOPSE
Size:  Free size
Name:  Sport Training Mask 4.0-Terminator
Level:  1(Simulated altitude 3000FT), 2(6000FT), 3(9000FT), 4(12000FT), 5(15000FT), 6(18000FT), 7(22000FT)
Sports:  Running,Cycling,Cardio,Fitness,Endurance Training, Hypoxic Resistance Mask
Feature:
Achieve the effects of a High Altitude Workout Efficiency when training, which helps decrease & maximizes your workout time
7-Level Resistance Valve System - Increase and Conditions Lung Capacity by Creating Pulmonary Resistance
Simple Usage, Ultra-Lightweight, Anatomically Designed, Non-Slip Training Strap
Strengthens the Diaphragm, Trains Breathing Muscles and Improves Overall Performance in any Sports