Fitbit Flex 2 vs. Huawei Talkband B2 vs. Asus VivoWatch vs. Fitbit Charge HR vs. Fitbit Flex
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| FitbitFlex 2Remove Buy Now | HuaweiTalkband B2Remove Buy Now | AsusVivoWatchRemove Buy Now | FitbitCharge HRRemove Buy Now | FitbitFlexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $180 | $160 | $150 | $100 |
| Release | 2016 | 2015 | 2018 | 2015 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 3 days | 24 hours to 10 days | 5 days | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | NA | NA |
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 128 x 88 | 128 x 128 | NA | NA |
| Size | n/a | 0.73 inches | NA | NA | NA |
| Touch | n/a | NA | NA | ||
| Type | LED | PMOLED | NA | OLED | LED |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | IP57 | IP67 | 1 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | KoodOS | NA | NA |
| Apps | |||||
| Music | |||||