Garmin Forerunner 255
Description
- Up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode
- Measures sleep, heart rate variability, heart rate, blood oxygen saturation levels, stress levels, body’s energy levels, coaching, multiple performance measures including training status, acute load, recovery time, grade-adjusted pace, running power, running dynamics and more
- 30+ build-in sports activities
- Compatible with a Garmin Connect App