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Fitbit Charge 4 Garmin Forerunner 255 Garmin VivoActive 4

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Price and Release Date

Suggested Price$149$400$349
Release / Update202020222019

Activity & Fitness

Calories
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate

Battery

Duration7 days14 days8 days
Rechargeable

Compatibility Support

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity Support

Bluetooth
Cellular
GPS
NFCFitbit PayGarmin Pay
Wi-Fi

Display

Color
Resolution66x18260x260260 x 260
Size.721 inches1.3 inches1.3 inches
Touch
TypeOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM (50 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuilt-inWear OS
Apps
MusicSpotify control

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