Fitbit Flex vs. Fossil Q Reveler vs. Garmin 645 Music vs. Garmin Fenix 3 vs. Garmin VivoActive 4 - Instant Comparison

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Fitbit Flex

Fossil Q Reveler

Garmin 645 Music

Garmin Fenix 3

Garmin VivoActive 4

	Fitbit Flex Check Amazon	Fossil Q Reveler Check Amazon	Garmin 645 Music Check Amazon	Garmin Fenix 3 Check Amazon	Garmin VivoActive 4 Check Amazon
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Price and Release Date
Suggested Price	$100	$125	$450	$500	$349
Release / Update	2013	2015	2018	2015	2019
Activity & Fitness
Calories
Distance
Heart				$
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	5 days	7 days	7 days	50 hours to 6 weeks	8 days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac		n/a		n/a
Windows		n/a		n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC					Garmin Pay
Wi-Fi
Display
Color		n/a
Resolution	n/a	n/a	240 x 240	218 x 218	260 x 260
Size	n/a	n/a	1.2 inches	1.2 inches	1.3 inches
Touch	n/a	n/a
Type	LED	n/a	MIP	Chroma LED	MIP
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	1 ATM	IP67	5 ATM	10 ATM (100 Meters)	5 ATM
Notifications
Phone
Emails
Texts
Software
Operating System	n/a	n/a		Built-in	Wear OS
Apps
Music
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