Skip to product information
FitO2 Ring: VO2 Max & Sleep Tracker
$173.00 USD
Reliable shipping
Flexible returns
Targeted at fitness enthusiasts, this waterproof smart ring provides advanced athletic performance metrics. Its unique capability is the estimation of VO2 Max—a key indicator of cardiovascular fitness and endurance—directly from your finger. It combines this with detailed sleep analysis and pedometer functions to offer a complete picture of recovery and fitness readiness for serious athletes.