  |  |  |  | |
| Available colors | ||||
| Editiorial reviews | ||||
| User rating |
| Bracelet | yes | yes | yes | yes |
|---|---|---|---|---|
| Bracelet Width | 0.61 in | 0.43 in | 0.73 in | 0.48 in |
| Clips | no | no | no | no |
| Bracelet Thickness | N/A | 0.27 in | 0.39 in | 0.37 in |
| Display | yes | no | yes | no |
|---|---|---|---|---|
| Display type | OLED | LED | OLED | N/A |
| Screen resolution | N/A | N/A | 64 x 128 | N/A |
| Weight | 1.06 oz | 0.83 oz | 0.72 oz | 1.02 oz |
|---|
| Colour of product |
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|---|
| Water resistant | yes | yes | yes | yes |
|---|---|---|---|---|
| Fully Waterproof | no | yes | yes | no |
| Accelerometer | yes | yes | yes | yes |
| Caller ID | yes | N/A | yes | N/A |
| Calorie counter | yes | yes | yes | yes |
| Distance meter | yes | yes | yes | yes |
| Pedometer | yes | yes | no | yes |
| Sleep reading | yes | yes | yes | yes |
| Stopwatch | yes | N/A | yes | N/A |
| Touchscreen | yes | no | no | no |
| Vibration alarm | yes | yes | yes | yes |
| Watch | yes | yes | yes | yes |
| Status indicator (LED-diod) | N/A | yes | N/A | yes |
| Altimeter | N/A | N/A | yes | N/A |
| Heart rate monitor | N/A | N/A | yes | yes |
| Support for HRM chest strap | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.0 | 4.0 |
| GPS | no | no | no | no |
| NFC | no | no | no | no |
| Compatible devices |
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|---|
| Battery life | 5.0 day | 5.0 day | 5.0 day | 7.0 day |
|---|---|---|---|---|
| Battery type | Lithium Polymer | Lithium Polymer | Lithium-Ion | Lithium Polymer |
| Charging via USB | yes | yes | yes | yes |
| Battery capacity | N/A | N/A | N/A | 38.0 mAh |
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