Fitbit FB405BKS

Charge HR Activity, Heart Rate Sleep Black Wristband - Small

  • Model: FB405BKS
  • Sku: FB405BKS

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  • Track Workouts, Heart Rate, Distance, Calories Burned And Much More
  • See Daily Stats, Time Of Day, And Get Call Notifications From Compatible Devices
  • Integrated OLED Display
  • Battery Lasts 5 Days On A Charge
  • Sync Stats Wirelessly Via Bluetooth 4.0
  • App For iOS/Android/Windows Phones
In Store Only
  • Manufacturer's Warranty 12 Months Parts
    12 Months Labor
    Carry In Service

Product Overview↑ Back to Top

Track your activity levels, sleep patterns, and heart rate data with the small FB405BKS Charge HR Wristband in black from Fitbit. This wrist-worn activity monitor tracks how many steps you take, your distance traveled, calories burned, floors climbed, and how many minutes you stay active. Thanks to its onboard PurePulse technology, the Charge HR also provides continuous and automatic heart rate data. You can use this heart rate data to monitor your intensity, analyze the effectiveness of your activities, maximize your workouts, and moreall without the need of an additional heart rate chest strap or accessory.

The Charge HR houses an OLED display that lets you see your progress in real-time throughout the day. In addition to activity tracking and heart rate data, the Charge HR is built with Caller ID, so you can see your incoming calls when your phone is nearby. Additionally, it features sleep tracking capabilities and is equipped with a silent vibrating alarm to help you wake peacefully. You can sync your stats wirelessly to compatible mobile devices and computers. Simply download the fitbit app to sync with a smartphone, which is available for iOS, Android, and Windows Phone devices. The Charge HR's built-in rechargeable battery lasts up to 5 days before needing to recharge.

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Technical Specs ↑ Back to Top

Band Size Small
Watch Strap Elastomer
Color Black


Height 7.8 in
Width 2.7 in
Weight 5.6 oz
Depth 2.9 in

Package Contents

  • Charging Cable
  • Wireless Sync Dongle
  • Limited 1-Year Warranty

Ratings & Reviews ↑ Back to Top

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