Make every beat count with Fitbit Charge 2, the all-new heart rate and fitness wristband built for all-day, workouts and beyond. PurePulse continuous heart rate helps maximize workouts and track calorie burn, while all-day activity and auto sleep tracking lets you see how your whole routine adds up. 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.