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fitbit Flex Wireless Activity and Sleep Tracker Wristband - Black


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Quick Overview

  • Fitness Tracker Wristband
  • Tracks Steps, Distance, Calories Burned
  • Measures Sleep Quality
  • Bluetooth 4.0
  • Syncs Data Wirelessly
  • Vibration Alarm for Waking
  • Works with Companion App
  • Large and Small Wristband Included
  • Transceiver Interface Type Bluetooth 4.0 (for wireless syncing)
  • Syncing Distance Up to 20.0' (6.1 m)
  • Water Resistance Yes, can be submerged up to 32.8' (10.0 m)
  • LEDs Flex uses five white LED indicator lights to show you how your day is stacking up against your goals. Each light represents 20% of your goal. Just tap the display twice to see your progress against your daily goal
  • Sensor MEMS 3-axis accelerometer measures your motion patterns to determine your calories burned, distance traveled, steps taken, and sleep quality. Its altimeter measures stairs climbed
  • Motor Cylindrical vibration motor allows it to vibrate when alarms are set to go off
  • Memory Fitbit recommends syncing your data regularly. As long as Flex has battery power, it tracks the most recent seven days of minute-by-minute data. It also tracks your daily total for the past 30 days and summarizes your daily calories, distance, and steps taken
  • Battery Type Lithium-polymer
  • Battery Life 5 days
  • LED Indicators When charging your Flex the LED lights will indicate its level of charge. All 5 lights will light up when it's fully charged
  • Operating Temperature -4 to 113° F (-20 to 45° C)
  • Storage Temperature -22 to 140° F (-30 to 60° C)
  • Altitude 30,000' (9,144 m) (maximum operating altitude)
  • System Requirements Operating Systems: Windows XP/Vista/7/8 USB port Internet connection Mac OS X 10.5 and up USB port Internet connection Supported browsers: PC: Chrome 12 and up Firefox 3.6.18 and up Internet Explorer 8 and up Mac: Chrome 12 and up Firefox 3.6.18 and up Safari 5.0.5 and up
  • Dimensions Small: 5.5 - 6.9" (140 - 176 mm) Large: 6.3 - 8.2" (161 - 209 mm) Width: 0.6" (15.2 mm)
  • Package Weight 0.25 lb
  • Box Dimensions (LxWxH) 8.425 x 2.441 x 2.362"


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