Polar M400 vs. Huawei Talkband B2 vs. Amazfit Arc vs. Polar A370
PolarM400Remove Buy Now | HuaweiTalkband B2Remove Buy Now | AmazfitArcRemove Buy Now | PolarA370Remove Buy Now |
Basic Info | ||||
Suggested Price | $200 | $180 | $69.99 | $179.95 |
Release | 2014 | 2015 | 2016 | 2017 |
Activity & Fitness | ||||
Calories | ||||
Cycling (Bicycling) | ||||
Distance | ||||
Heart | n/a | |||
Oxygen | ||||
Sleep | ||||
Steps | ||||
Swim | ||||
Battery | ||||
Duration | 8 hours to 30 days | 3 days | 20 days | Up to 3 days |
Rechargeable | ||||
Compatibility | ||||
Android | ||||
iOS | ||||
Windows Phone | n/a | n/a | ||
Mac | n/a | |||
Windows | n/a | |||
Connectivity | ||||
Bluetooth | ||||
Cellular | ||||
GPS | ||||
NFC | ||||
Wi-Fi | ||||
Display | ||||
Color | ||||
Resolution | n/a | 128 x 88 | 72 x40 | 160 x 80 |
Size | n/a | 0.73 inches | 0.42 inches | 1.18 inches |
Touch | ||||
Type | n/a | PMOLED | OLED | TFT LCD |
Functions | ||||
Audio Speaker | Alerts only | Bluetooth | ||
Clock | ||||
Phone | ||||
Vibration | ||||
Voice | ||||
Hardware | ||||
Accelerometer | ||||
Barometer or Altimeter | ||||
Ultraviolet Sensor | ||||
Water Resistance | 3 ATM | IP57 | IP67 | WR30 |
Notifications | ||||
Phone | ||||
Emails | ||||
Texts | ||||
Software | ||||
Operating System | n/a | n/a | ||
Apps | ||||
Music |