Polar M400 vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Huawei Watch 2 vs. Fitbit Charge HR
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PolarM400Remove Buy Now | FitbitFlex 2Remove Buy Now | HuaweiTalkband B2Remove Buy Now | HuaweiWatch 2Remove Buy Now | FitbitCharge HRRemove Buy Now |
Basic Info | |||||
Suggested Price | $200 | $100 | $180 | $350 | $150 |
Release | 2014 | 2016 | 2015 | 2017 | 2015 |
Activity & Fitness | |||||
Calories | |||||
Cycling (Bicycling) | |||||
Distance | |||||
Heart | n/a | ||||
Oxygen | |||||
Sleep | |||||
Steps | |||||
Swim | |||||
Battery | |||||
Duration | 8 hours to 30 days | 5 days | 3 days | 48 hours | 5 days |
Rechargeable | |||||
Compatibility | |||||
Android | |||||
iOS | |||||
Windows Phone | n/a | n/a | n/a | NA | |
Mac | n/a | ||||
Windows | n/a | ||||
Connectivity | |||||
Bluetooth | |||||
Cellular | |||||
GPS | |||||
NFC | |||||
Wi-Fi | |||||
Display | |||||
Color | n/a | ||||
Resolution | n/a | n/a | 128 x 88 | 480 x 480 | NA |
Size | n/a | n/a | 0.73 inches | 1.38 inches | NA |
Touch | n/a | NA | |||
Type | n/a | LED | PMOLED | P-OLED | OLED |
Functions | |||||
Audio Speaker | Alerts only | Bluetooth | |||
Clock | |||||
Phone | |||||
Vibration | |||||
Voice | |||||
Hardware | |||||
Accelerometer | |||||
Barometer or Altimeter | |||||
Ultraviolet Sensor | |||||
Water Resistance | 3 ATM | 5 ATM | IP57 | IP68 | 1 ATM |
Notifications | |||||
Phone | |||||
Emails | |||||
Texts | |||||
Software | |||||
Operating System | n/a | n/a | n/a | Android Wear 2 | NA |
Apps | |||||
Music |