• PurePulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day
  • Maximize your workouts using simplified heart rate zones (Fat Burn, Cardio and Peak)
  • See call, text & calendar notifications on the OLED display; Automatically track how long and how well you sleep and wake with a silent vibrating alarm
  • Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score; Use Connected GPS during run mode to see real-time stats like pace and distance on your wrist
  • Track all-day activity like steps, distance, calories burned, floors climbed and active minutes;Find moments of calm throughout your day with personalized guided breathing sessions based on your heart rate
  • US Version

Size Guide
Small size fit wrist circumference 5.5"–6.7" or 140 mm–170 mm
Large size fit wrist circumference 6.7"–8.1" or 170 mm–206 mm