Charge 2 Smart Band

Make every beat count with a fitness wristband built with PurePulse® heart rate, multi-sport modes, guided breathing sessions & interchangeable bands.

Manufacturer Part Number
FB407SBKL
EAN/UPC
0810351029281,810351029281
Full Product Specifications

Note:

  • The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
  • These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
  • These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

What's Included

  • Fitbit Charge 2 tracker
  • Charge 2 Classic wristband
  • Charging cable
Sensors & Components
  • Optical heart rate tracker
  • 3-axis accelerometer
  • Altimeter
  • Vibration motor
Display
  • OLED
Heart Rate

Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements. Learn more about wear during workouts.

Battery and Power

We recommend charging your device every few days to ensure that you're always tracking.

Battery life up to 5 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

  • Battery type: Lithium-polymer
  • Charge time: One to two hours
  • Radio transceiver: Bluetooth 4.0
Memory
  • Saves 7 days of detailed motion data – minute by minute
  • Saves 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
Water Resistance

Fitbit Charge 2 is sweat, rain and splash proof. However, the device is not swim proof or shower proof. With any wearable device, it’s best for your skin if the band stays dry and clean.

Care

If the band gets wet or if you sweat in it, remove and completely dry the band before putting it back on. Give your wrist a rest by taking the band off every now and then. Learn more.

Materials

Fitbit Charge 2's wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. Fitbit Charge 2 also has a surgical-grade stainless steel buckle.

Environmental Requirements
  • Operating temperature: -10° to 45° C
  • Maximum operating altitude: 9,144 m
Syncing & Notifications

Using Bluetooth LE wireless technology, Fitbit Charge 2 sends smartphone notifications and syncs automatically to computers and 200+ leading iOS, Android and Windows devices. Certain features like smartphone notifications or Connected GPS may require Android 5.0+.

  • Syncing range: Up to 6.1 m
  • Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync.
  • Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.3 and later, and Windows 10 devices.