Master Your VO2
VO2 Master is the world’s first wearable, affordable, and easy-to-use VO2 monitor.
You can now access the single most important metric in sports performance, anywhere and anytime.
Live data display
Free iOS and Android App
Connect your other sensors
Export Data for Further Analysis
4+ hour battery life
Accurate and repeatable
Laboratory testing is designed to maximize internal validity and reproducibility. This can come at the expense of external validity, particularly when event conditions move well outside of normal laboratory parameters in different ways.