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| Editiorial reviews | ||||
| User rating |
| Weight | 1.06 oz | 0.49 oz | 0.3 oz | 0.28 oz |
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| Colour of product |
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| Water resistant | yes | yes | N/A | yes |
|---|---|---|---|---|
| Fully Waterproof | yes | no | N/A | yes |
| IP code (level of dust/water resistance) | IP68 | N/A | N/A | N/A |
| Accelerometer | yes | yes | yes | N/A |
| Altimeter | yes | yes | yes | yes |
| Heart rate monitor | yes | yes | yes | yes |
| Caller ID | yes | yes | N/A | N/A |
| Calorie counter | yes | yes | yes | yes |
| Distance meter | yes | yes | yes | yes |
| Pedometer | yes | yes | yes | yes |
| Sleep reading | yes | yes | yes | yes |
| Stopwatch | yes | yes | yes | N/A |
| Touchscreen | yes | no | yes | yes |
| Vibration alarm | yes | yes | N/A | N/A |
| Watch | yes | yes | N/A | yes |
| Status indicator (LED-diod) | N/A | yes | N/A | N/A |
| Support for HRM chest strap | N/A | yes | N/A | yes |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.2 | 4.0 |
| GPS | no | no | yes | no |
| NFC | yes | no | N/A | no |
| Battery life | 7.0 day | 5.0 day | 10.0 day | 14.0 day |
|---|---|---|---|---|
| Battery type | Lithium Polymer | Lithium Polymer | Lithium Polymer | Li-Ion |
| Charging via USB | yes | yes | N/A | yes |
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