Fitbit Charge 4 Fitness and Activity Tracker
Our health and fitness product reviews are based on objective testing and subjective expert analysis. If you use our links to make a purchase, we might earn a commission. Read our disclaimer.
Product Highlights
- See pace and distance with built-in GPS during outdoor activities.
- Active Zone Minutes alert you upon reaching target heart rate zones.
- 90-day free Fitbit Premium trial for new users with valid payment method.
- 24/7 heart rate tracking for better calorie burn measurement.
- Monitor SpO2 nightly average and trends over the past week.
- Track skin temperature variations from your personal baseline.
- Real-time workout tracking with 20+ exercise modes; swimproof to 50 meters.
- Multi-day battery lasts up to 7 days, 5 hours with GPS; sleep stage tracking and Sleep Score review.
Fitbit Charge 4 is a versatile, swimproof fitness tracker designed to enhance your workouts and monitor your health. It features built-in GPS to track your pace and distance during outdoor activities and provides a workout intensity map in the app showing heart rate changes. Active Zone Minutes alert you when you reach your target heart rate zones. Enjoy a 90-day free trial of Fitbit Premium to stay active and manage stress. The tracker also includes 24/7 heart rate monitoring, SpO2 tracking, skin temperature tracking, and over 20 exercise modes. With up to 7-day battery life, Fitbit Pay, and sleep tracking, it offers convenience and motivation to achieve your fitness goals.
Pros
- Comfortable, lightweight, and water-resistant for everyday use
- Accurate heart rate monitoring and exercise tracking
- Useful sleep tracking with oxygen variation feature
Cons
- Heart rate tracking issues during intense workouts
- Short battery life when using GPS frequently
- Automatic exercise recognition can be unreliable
- Watchband may need frequent adjustments
