LED lights and an electro-optical cell "sense" the volume of blood under the skin. From there, sophisticated algorithms are applied to the pulse signal so that the heart's true rhythm can be detected, even while running at performance speeds.
- Mio Continuous Technology with EKG-accurate heart rate data at performance speeds
- No uncomfortable chest strap, so you can train with heart in comfort
- Customize your workout with up to 5 user-settable heart rate zones
- Connect to your favorite fitness apps & sport devices with Bluetooth Smart (4.0) and ANT+. Check device compatibility
- Water resistant up to 30m depths