Pebble 2 vs. Polar M400 vs. Huawei Watch 2 vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
2
M400
Watch 2
Flex
Mi Band 3
 Pebble2Remove Buy NowPolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$129$200$350$100$44.95
Release20162014201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 hours to 30 days48 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480NA128 x 80
Sizen/an/a1.38 inchesNA0.78 inches
TouchNA
Typee-papern/aP-OLEDLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2NA
Apps
Music

All Wearables