Fitbit Fitbit Fitbit Charge HR Heart Rate and Activity Wristband, Large (Black) Wearable
Activity tracking, Purepulse heart, Exercise tracking , Auto sleep + silent alarm, Caller ID, OLED display
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  • Wireless Syncing
  • Long Battery Life
  • Caller Id
  • Wirelessly syncs your stats to your computer and 120+ leading smartphones
  • Maximum operating altitute: 30,000 feet
    • Tracks 7 days of detailed motion data – minute by minute.
    • Tracks daily totals for past 30 days
    • Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times

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    General Specification
    Smart Band
    Color Black
    Water Resistance Yes
    Sensors Accelerometer, Heart Rate Sensor
    Display
    Steps, Calories, Distance Yes
    Features
    Clock Yes
    Sleep Tracking Yes
    Auto Sleep Detection Yes
    Silent Wake Alarm Yes
    Floors Climbed Yes
    Active Minutes Yes
    Continuous Heart Rate Yes
    Caller ID Yes
    Dimensions
    Weight 23 Gm
    Depth 1.1 mm
    Height 2.1 mm
    Connectivity
    Bluetooth Profiles Bluetooth 4.0