Garmin vívofit 4 Activity Tracker with 1+ Year Battery Life and Color Display, Black.

1 year plus battery life, no charging needed, Display type: sunlight-visible, transflective 8 color memory-in-pixel (MIP)
At all times-on color display, easy to read even in direct sunlight in an improved comfortable sleek design
Swim rated protected for swimming and showering
Customization options – customize the screen with color themes, watch faces and personalized text phrases
Interchangeable bands; don’t settle for only one color band, blow their own horns your fashion sense with new colors and band designs
Activity tracking tracks steps, distance and calories burned, monitors sleep and provides a personalized day-to-day step goal
Toe-to-toe challenge – permits you to immediately start a timed step challenge with nearby Vívofit 4 or Vívofit Jr 2 activity trackers (sold one by one)
Move IQ robotically detects runs and walks and can start an activity timer robotically
Convenience features includes convenient tools that mean you can set alarms, start a countdown timer, check the weather and find your phone
Garmin Connect mobile app uploads to Garmin Connect online fitness community, mean you can save, plan and share your activities, get involved in social challenges and more