  |  |  |  | |
| Available colors | ||||
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.56 in | N/A | N/A | N/A |
|---|---|---|---|---|
| Display type | OLED | LED | LCD | OLED |
| Display | N/A | no | yes | yes |
| Screen resolution | N/A | N/A | N/A | 160 x 68 |
| Weight | 1.06 oz | 0.83 oz | 0.9 oz | 1.13 oz |
|---|
| Colour of product |
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|---|
| Accelerometer | yes | yes | yes | yes |
|---|---|---|---|---|
| Altimeter | yes | N/A | N/A | yes |
| Heart rate monitor | yes | N/A | yes | yes |
| Calorie counter | yes | yes | yes | yes |
| Distance meter | yes | yes | yes | yes |
| Pedometer | yes | yes | yes | yes |
| Sleep reading | yes | yes | yes | yes |
| Touchscreen | yes | no | no | yes |
| Vibration alarm | yes | yes | N/A | yes |
| Water resistant | N/A | yes | yes | yes |
| Fully Waterproof | N/A | yes | yes | yes |
| Status indicator (LED-diod) | N/A | yes | N/A | N/A |
| Watch | N/A | yes | yes | yes |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 | N/A |
| Support for HRM chest strap | N/A | N/A | yes | N/A |
| Caller ID | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | no | no |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.0 | N/A |
| GPS | yes | no | no | no |
| NFC | yes | no | N/A | no |
| Battery life | 7.0 day | 5.0 day | 365.0 day | 5.0 day |
|---|---|---|---|---|
| Battery type | Lithium Polymer | Lithium Polymer | CR1632 | Lithium |
| Charging via USB | N/A | yes | no | yes |
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