Compare and buy smartwatches and fitness trackers
  Fitbit ChargeFitbit OnePolar M400

Basic Info

Suggested Price $130$100$200
Release 201420122014

Activity & Fitness

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

Battery

Duration 7–10 days10–14 days8 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution n/a128x128
Size
Touch n/a
Type OLEDOLEDLCD

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 1 ATMSplash resistant3 ATM

Notifications

Phone
Emails
Texts

Software

Operating System n/an/a
Apps
Music

More Info & Buy

 
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