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  • Personal Activity Intelligence (PAI) tracks your body's response to physical activity and gives you personalized, actionable feedback to help you optimize your health
  • Provides accurate, continuous, all-day heart rate monitoring, which also translates into your PAI score based on your personal profile data
  • Tracks steps, distance, calories burned, sleep patterns and resting heart rate; remembers up to 1 week of activity
  • ANT+ and Bluetooth® wirelessly connect to the Mio PAI app and other popular fitness apps, and enable smartphone notifications
  • Lithium polymer battery provides up to 5 days of battery life, depending on settings and usage levels
  • Water-resistant design withstands submersion to 30m
  • Small size fits wrists measuring 5.5 - 6.75 in.
  • Large size fits wrists measuring 6.75 - 8.25 in.


View all Mio Activity Trackers

REI membership


Best Use Fitness
Tracks Steps Yes
Pedometer Type Digital 3-axis Accelerometer
Tracks Calories Burned Yes
Sleep Tracking Yes
HRM Included/Integrated Yes
Heart Rate Sensor Type Wrist-based
Heart Rate Target Zone(s) Yes
Water-Resistant Depth 30 meters
Altimeter No
Preloaded Map None
Time Display Yes
Illumination Backlight
Battery Type Lithium Polymer
Average Battery Life 5 days
Display Size 19 millimeters
Smart Device Notifications Yes
Gender Unisex
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