Fitbit Charge 2 Heart Rate Fitness Wristband designed to track your daily activity. Fitness tracker watch design with a rubberized black finish. Record your workouts with multi-sport modes to see real-time workout stats on screen, or rely on SmartTrack to automatically record select exercises for you. The large OLED display helps you stay connected with call, text and calendar alerts, stay active with Reminders to Move, and find moments of calm with guided breathing sessions.

Features
- 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