Now you can train even smarter with the world's first sports headphones with automatic vo2 Max measuring. Test, screen and analyze your physical conditioning level with the Built-in Heart rate screen and vo2 Max measurement - all while paying attention to superior sound quality music for the additional motivation you need to power you through your next training run or exercise.
Superior sound - now with passive noise cancellation and enhanced bass
Built-in heart rate monitor measures your heart rate via your inner ear and delivers cylindrical-grade accuracy to ensure training at the right intensity level
Automatic Vo2 Max tracking ensures levels can be used to enhance your performance and further your training
Limited 3 year warranty against failure from sweat