- Maximize your workouts with continuous heart rate and in-depth reporting plus daily and overnight .
- Up to 25 days battery life on one charge, plus 20 more days on power reserve mode
- Automatically tracks walk, run, swim, and 30+ activities in workout mode. Connected GPS provides a map of your session with distance, elevation and pace.
- Steel HR is water-friendly - from automatic swim recognition to having no fear when you shower, go snorkeling, or get caught in the rain.Operating temperature
- Wake to a Sleep Score based on light & deep sleep cycles, interruptions, depth & regularity.Water resistant up to 165 feet deep
- Call, text, event and app notifications from your smartphone right on the watch screen. Plus, you can now ask Alexa about your activity stats when you enable the free Alexa Skill.