  |  |  | |
| Available colors | |||
| Editiorial reviews | |||
| User rating |
| Display type | OLED | OLED | OLED |
|---|---|---|---|
| Display | N/A | yes | yes |
| Weight | 0.71 oz | 0.81 oz | 1.06 oz |
|---|
| Colour of product | Blue |
|
|
|---|
| Accelerometer | yes | yes | yes |
|---|---|---|---|
| Heart rate monitor | no | yes | yes |
| Calorie counter | no | yes | yes |
| Pedometer | yes | yes | yes |
| Sleep reading | yes | yes | yes |
| Stopwatch | yes | N/A | yes |
| Touchscreen | yes | yes | yes |
| Water resistant | N/A | yes | yes |
| Fully Waterproof | N/A | no | yes |
| IP code (level of dust/water resistance) | N/A | IP67 | IP68 |
| Caller ID | N/A | yes | yes |
| Distance meter | N/A | yes | yes |
| Vibration alarm | N/A | yes | yes |
| Watch | N/A | yes | yes |
| Altimeter | N/A | N/A | yes |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.0 LE | 4.0 | 4.0 |
| GPS | N/A | no | no |
| NFC | N/A | no | yes |
| Battery life | 5.0 day | 7.0 day | 7.0 day |
|---|---|---|---|
| Battery type | Lithium Polymer | Lithium Polymer | Lithium Polymer |
| Charging via USB | N/A | yes | yes |
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