Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Polar M600 vs. Huawei Talkband B2 vs. Amazfit Stratos

 
Moto 360 (2nd Gen)
M400
M600
Talkband B2
Stratos
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$300$200$330$180$199
Release20152014201620152018

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days2 days3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a240 x 240128 x 88320 x 300
Size1.37 inches or 1.56 inchesn/a1.3 inches0.73 inches1.34 inches
Touchn/a
TypeLCDn/aTFTPMOLEDOLED

Functions

Audio SpeakerBluetoothAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX8IP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wearn/aProprietary
Apps
Musicn/a

All Wearables