Garmin heart rate strap. Small, module and smooth, soft strap makes it comfortable out of the water, too.
- Smallest and lightest heart rate monitor from Garmin: 29.4 x 51.4 x 8.5mm / 1.7oz
- Designed for running, biking, and open water swimming
- Stores up to 20 hours of heart rate data during activities, then forwards it to a compatible device at the end of the session
- Provides feedback on running form by measuring cadence, vertical oscillation and ground contact time when paired with a compatible device
- ANT+ and BLE compatible
- Battery Life up to 1 year! (assuming 1 hour/day of use)