 |  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Fitbit Flex 2 |  Fitbit One | |
|---|---|---|
| Bracelet | yes | no |
| Clips | no | yes |
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Display | no | yes |
| Display type | LED | OLED |
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Weight | 0.83 oz | 0.28 oz |
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Colour of product |
|
|
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Water resistant | yes | yes |
| Fully Waterproof | yes | no |
| Calorie counter | yes | yes |
| Distance meter | yes | yes |
| Pedometer | yes | yes |
| Sleep reading | yes | yes |
| Touchscreen | no | no |
| Vibration alarm | yes | yes |
| Watch | yes | yes |
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Bluetooth | yes | yes |
| Bluetooth version | 4.0 | 4.0 |
| GPS | no | no |
| NFC | no | no |
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Compatible devices |
|
|
| Fitbit Flex 2 | Fitbit One | |
|---|---|---|
| Battery life | 5.0 day | 7.0 day |
| Battery type | Lithium Polymer | Lithium-Ion |
| Charging via USB | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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