Compare Smartwatches and Fitness trackers.
Compare Smartwatches
Fitbit Flex 2 vs Garmin 645 Music
Fitbit
Flex 2
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Garmin
645 Music
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Compare Fitbit Flex 2 vs Garmin 645 Music
Fitness Tracker
Smartwatch
Release / Update
2016
2018
Suggested Price
$100
$450
Activity & Fitness
Calories
Cycling (Bicycling)
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Swim
Battery
Duration
5 days
7 days
Charging
Rechargeable
Rechargeable
Compatibility
Android
iOS
Windows Phone
Mac
Windows
Connectivity
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution
N/A
240x240
Size
N/A
1.2"
Touch
Type
LED
MIP
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Camera
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance
5ATM (50 metres)
5ATM (50 metres)
Notifications
Phone
Emails
Texts
Software
Operating System
N/A
N/A
Apps
Music
More Info & Buy
Storage
Extra
Pros
Fitbit Flex 2 Pros
Garmin 645 Music Pros
Cons
Fitbit Flex 2 Cons
Garmin 645 Music Cons
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