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Nokia (Withings) Activite Sapphire vs. Polar Loop vs. Xiaomi Mi Band 2
Nokia (Withings)
Activite Sapphire
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Polar
Loop
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Xiaomi
Mi Band 2
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Basic Info
Suggested Price
$450
$100
$23
Release
2014
2013
2016
Activity & Fitness
Calories
Cycling (Bicycling)
Distance
Heart
$
VO2max (Oxygen)
Sleep
Steps
Swim
Battery
Duration
8 months
5 days
20 hours
Rechargeable
Compatibility
Android
iOS
Windows Phone
Mac
n/a
n/a
n/a
Windows
n/a
n/a
n/a
Connectivity
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution
n/a
Size
1.3 inches
0.42 inches
Touch
Type
Analog
LED
OLED
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance
5 ATM
2 ATM
IP67
Notifications
Phone
Emails
Texts
Software
Operating System
n/a
n/a
n/a
Apps
Music
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