Achieve next-level performance with the NEW Train.Red FYER 2.0, the most advanced wearable muscle oxygen sensor on the market. While athletes invest in equipment, training plans, and supplements, the true engine of performance is often overlooked: the muscles.
With real-time muscle oxygen (SmO₂%) tracking, FYER helps you optimize training, recovery, and performance like never before. Additionally, you can connect more than 10 FYER sensors to a single smart device, perfect for team monitoring and group training.
SPECIFICATIONS:
🟦 2-7 business days → Fast shipping within Europe.
🟩 4-10 business days → International shipping to countries with average transit times.
🟨 8-16 business days → Shipping to more distant destinations with longer transit times.
Contact us for any questions regarding shipping or customs.
Our hypoxia generator machine comes with a 2-year warranty, as required by current European regulation.
At Altitude Zone, we are committed to the quality and durability of our products. Should any technical issue arise during this period, we offer support and a solution at no additional cost.
Buy with confidence, backed by the official European warranty.
Our hypoxia equipment is completely safe, legal, and compliant with WADA (World Anti-Doping Agency) regulations.
The use of passive or intermittent hypoxia as a training tool is not considered doping, so you can use it with complete peace of mind at any stage of preparation, even in official competitions.