Sports Performance Oxygen Restriction Mask fits Running Cycling Mountaineering

📝 Product Description

Boost your performance with this advanced high altitude training mask for running, an adjustable resistance breathing mask engineered to enhance cardio endurance. Experience improved lung capacity and stamina. Featuring a visible 6-level fine adjustment dial, this mask adapts to your needs. Ideal for riding, fitness, running, and mountaineering, it helps optimize your workout intensity across various sports. Crafted from durable, flexible black material with a distinct honeycomb texture, the mask features a rigid dark grey central unit with perforated vents. Subtle green accents highlight the adjustment mechanism, ensuring a secure fit. (Note: Electronic devices shown for illustration only. Product includes accessory only.) Experience unparalleled efficiency and reliability with a product designed to elevate your productivity. Equipped with a long-lasting 12-hour battery and lightning-fast USB-C charging, it ensures uninterrupted workflow. Its vibrant OLED display provides crystal-clear visuals, while advanced ergonomic contours offer superior comfort during extended sessions.