Fitbit Charge 4 vs. Fitbit Flex 2 vs. Fitbit Luxe vs. Microsoft Band vs. Polar A370 - Instant Comparison

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Fitbit Charge 4

Fitbit Flex 2

Fitbit Luxe

Microsoft Band

Polar A370

	Fitbit Charge 4 Check Amazon	Fitbit Flex 2 Check Amazon	Fitbit Luxe Check Amazon	Microsoft Band Check Amazon	Polar A370 Check Amazon
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Price and Release Date
Suggested Price	$149	$100	$149	$200	$179.95
Release / Update	2020	2016	2021	2014	2017
Activity & Fitness
Calories
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	7 days	5 days	5 days	2 days	Up to 3 days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac				n/a
Windows	Not yet			n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC	Fitbit Pay
Wi-Fi
Display
Color
Resolution	66x18	n/a	206 x 124	320 x 106	160 x 80
Size	.721 inches	n/a	0.76 inches	1.37 inches	1.18 inches
Touch		n/a
Type	OLED	LED	AMOLED	Capacitative TFT	TFT LCD
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	5 ATM	5 ATM	5 ATM	IP67	WR30
Notifications
Phone
Emails
Texts
Software
Operating System	Fitbit OS	n/a	Built-in	n/a
Apps
Music	Spotify control
More Information
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