  |  |  | |
| Available colors | |||
| Editiorial reviews | |||
| User rating |
| Bracelet | yes | yes | yes |
|---|---|---|---|
| Bracelet Thickness | 0.5 in | N/A | 0.44 in |
| Bracelet Width | 0.84 in | 0.72 in | 0.81 in |
| Clips | no | no | no |
| Display | yes | yes | yes |
|---|---|---|---|
| Display type | OLED | OLED | N/A |
| Weight | 1.23 oz | 1.06 oz | 0.78 oz |
|---|
| Colour of product |
|
|
|
|---|
| Water resistant | yes | yes | yes |
|---|---|---|---|
| Fully Waterproof | no | yes | N/A |
| IP code (level of dust/water resistance) | IP34 | IP68 | IP67 |
| Accelerometer | yes | yes | N/A |
| Altimeter | yes | yes | N/A |
| Heart rate monitor | yes | yes | yes |
| Caller ID | yes | yes | N/A |
| Calorie counter | yes | yes | yes |
| Distance meter | yes | yes | yes |
| Pedometer | yes | yes | yes |
| Sleep reading | yes | yes | yes |
| Stopwatch | yes | yes | N/A |
| Touchscreen | yes | yes | yes |
| Vibration alarm | yes | yes | yes |
| Watch | yes | yes | yes |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.0 LE | 4.0 | 4.2 |
| GPS | no | no | no |
| NFC | no | yes | no |
| Compatible devices |
|
|
|
|---|
| Battery life | 5.0 day | 7.0 day | 18.0 day |
|---|---|---|---|
| Battery type | Lithium Polymer | Lithium Polymer | Li-polymer |
| Charging via USB | yes | yes | yes |
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