Polar M400 vs. LG G Watch vs. LG G Watch R vs. Huawei Band 2
 | | | | |
| PolarM400Remove Buy Now | LGG WatchRemove Buy Now | LGG Watch RRemove Buy Now | HuaweiBand 2Remove Buy Now |
Basic Info | ||||
| Suggested Price | $200 | $230 | $300 | $69.99 |
| Release | 2014 | 2014 | 2014 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 8 hours to 30 days | 1.5 days | 2 days | 21 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | NA | n/a | |
| Mac | NA | n/a | ||
| Windows | NA | n/a | ||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 280 x 280 | 320 x 320 | 128 x 32 |
| Size | n/a | 1.65 inches | 1.3 inches | 0.91 inches |
| Touch | ||||
| Type | n/a | IPS LCD | P-OLED | PMOLED |
Functions | ||||
| Audio Speaker | Alerts only | |||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 3 ATM | IP67 | IP67 | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | Android Wear | Android Wear | |
| Apps | ||||
| Music | ||||