Fitbit Charge

🏃 Activity & Motion Tracking

• Tracks steps, distance, active minutes, and calories burned throughout the day.
• Many models include an altimeter to count floors climbed.

💓 Heart Rate Monitoring

• Later Charge models (Charge 2 onward) include continuous heart‑rate tracking for fitness and calorie calculations.
• Newer models measure resting heart rate and use heart rate zones during workouts.

🧠 Workouts & Connected GPS

• Many models sync with your phone’s GPS (or have built‑in GPS) to map runs and walks and record pace/route.
• Recognises workouts automatically and logs detailed data in the Fitbit app.

🛌 Sleep Tracking

• Automatically monitors sleep stages (light, deep, REM) and total sleep time.
• Gives sleep quality insights in the app.

📱 Notifications & Smart Features

• Displays call/text/app notifications from your phone.
• Some models also have vibration alerts for silent alarms and reminders.

📊 Long Battery Life

• Designed to last several days on a single charge (often up to a week, depending on model and usage).