Fitbit Charge
🏃 Comprehensive Health & Fitness Tracking
- Tracks steps, distance, calories burned, and active zone minutes — always on and through the Fitbit app.
- Continuous heart‑rate monitoring with zone tracking to guide workout intensity.
- Built‑in GPS on later models (e.g., Charge 5, 6) for pace and route tracking without needing your phone.
- Sleep tracking and sleep score help you understand rest quality over time.
🧠 Advanced Health Metrics
- ECG monitoring and EDA stress tracking (ECG & electrodermal activity) on models like Charge 5 and 6 offer insights into heart rhythms and stress responses.
- Blood oxygen (SpO₂) and breathing rate tracking, useful especially during sleep.
- Some versions provide skin temperature trends and more advanced metrics.
📱 Smart Features
- Notification alerts for calls, texts, and app messages from your phone.
- On the Charge 6: Google Wallet, Google Maps, music controls, and response options for Android users directly from the tracker.
- Automatic exercise detection (SmartTrack) starts logging activities without manual input.
🔋 Battery & Build
- Up to ~7 days of battery life between charges (varies by model and usage).
- Slim, comfortable design suitable for daily wear and workouts.

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