Compare and buy smartwatches and fitness trackers
  Fitbit ChargeFitbit Flex 2Fitbit One

Basic Info

Suggested Price $130$100$100
Release 201420162012

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Swim

Battery

Duration 7–10 days5 days10–14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution n/an/a
Size n/a
Touch n/an/a
Type OLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 1 ATM5 ATMSplash resistant

Notifications

Phone
Emails
Texts

Software

Operating System n/an/an/a
Apps
Music

More Info & Buy

 
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