Fitbit Charge 6 Obsidian & Black | Fitness Tracker
Boost your routine with our #1 fitness tracker. Now with our most accurate heart rate, plus Google essentials like Maps, Wallet and YouTube Music controls
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Heart rate on gym equipment
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Daily Readiness Score
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40+ Exercise Modes
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Heart rate tracking
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Active Zone Minutes
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Built-In GPS
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Cardio Fitness Score
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SmartTrack™ Automatic Exercise Recognition (in app only)
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Water resistant
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Workouts on your phone
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All-Day Activity Tracking
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Workout Intensity Map (in app only)
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Timer & Stopwatch
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ECG app for heart rhythm assessment
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High & Low Heart Rate Notifications
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SpO2 (blood oxygen) tracking
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Skin temperature variation
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Resting heart rate
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Breathing Rate
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Irregular heart rhythm notifications
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Blood glucose tracking (in app only)
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Menstrual health tracking
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Health & Wellness Reminders
- Battery life of up to 7 days. Use of the always-on display and SpO2 features will require more frequent charging. We recommend charging your tracker every few days to ensure you are always tracking.
Average battery life is approximate and is based on testing conducted in California in mid 2023 on pre-production hardware and software, using default settings with a median Fitbit user battery usage profile across a mix of talk, data, standby, and use of other features. Battery life depends on features enabled, usage, environment and many other factors. Use of certain features will decrease battery life. Actual battery life may be lower.
- Battery type: Lithium-polymer
- Charge time (0-100%): Two hours
- Radio transceiver: Bluetooth
Sensors & Components
- Optical heart rate monitor
- 3-axis accelerometer
- Built-in GPS + GLONASS
- Red and infrared sensors for oxygen saturation (SpO2) monitoring.
Not available in all countries. Not intended to diagnose or treat any medical condition or for any other medical purpose. Intended to help you manage your well-being and keep track of your information. Requires more frequent charging.
- Device temperature sensor (skin temperature variation available in the Fitbit app).
Only available in the Fitbit app and only displays variation. Not available in all markets. Not intended for medical purposes. Significant changes in ambient temperature may negatively impact skin temperature tracking.
- Vibration motor
- Ambient light sensor
- NFC
- Multipurpose electrical sensors compatible with ECG app & EDA Scan app