The One™ Wireless Activity and Sleep Tracker (Black)

Model #: FB103BK | Catalog #: 6300737
Model #: FB103BK
Catalog #: 6300737


  • Track your activity & sleep
  • Share and compete with friends
  • If you want to turn fitness into a lifestyle, the One by Fitbit is for you. During the day, it tracks your steps, distance, calories burned and stairs climbed. Come nightfall, it measures your sleep cycle, helps you learn how to sleep better and wakes you in the morning. The One motivates you to reach your goals by bringing greater fitness into your life - seamlessly, socially, 24 hours a day.

    • Powered by Fitbit’s leading-edge accelerometer and altimeter
    • Accurately captures all-day activity that old-school pedometers can’t handle
    • Tracks steps taken, stairs climbed, calories burned, hours slept, distance travel

    Product Type Activity trackers
    Enclosure Color Black
    Model FB103BK
    Manufacturer Labor Warranty 12.0
    Manufacturer Parts Warranty 12.0
    Warranty Labor UOM month
    Warranty Parts UOM month
    Battery Features
    Chemistry Lithium Ion
    Battery Type Product
    Size Specialty
    Rechargeable TRUE
    Capacity UOM mAh
    Min Operating Temperature -4.0
    Max Operating Temperature 113.0
    Max Altitude Operating 30000.0
    • USB (1)
    Supported Languages English
    Operating Temperature UOM ° F