  |  |  |  | |
| Available colors | ||||
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | yes | yes | no |
|---|---|---|---|---|
| Colour screen | yes | yes | no | no |
| Screen resolution | N/A | 240 x 240 px | 128 x 128 px | 144 x 168 px |
| Backlight | N/A | N/A | yes | N/A |
| Gender |
|
|
|
|
|---|---|---|---|---|
| Width | 1.5 in | 1.42 in | N/A | 0.87 in |
| Depth | 1.5 in | 1.77 in | N/A | 0.98 in |
| Weight | 1.76 oz | 2.22 oz | 2.79 oz | 1.66 oz |
| Thickness | 0.47 in | 0.51 in | N/A | 0.54 in |
| Colour of product |
|
|
|
|
|---|---|---|---|---|
| Protection features | Water resistant | Water resistant | Water resistant | Water resistant |
| Waterproof depth | 50 | 10 | 30 | 40 |
| Heart Rate Monitor | Built-in | Built-in | Built-in | Built-in |
|---|---|---|---|---|
| Calorie counter | yes | yes | yes | yes |
| Alarm | yes | yes | yes | yes |
| Altimeter | yes | yes | yes | N/A |
| Date display | yes | yes | yes | yes |
| Pedometer | yes | yes | yes | yes |
| Sleep reading | yes | yes | yes | yes |
| Timer | yes | yes | yes | yes |
| Vibration alarm | yes | yes | yes | yes |
| Compass | N/A | yes | N/A | yes |
| Display light | N/A | yes | yes | yes |
| Speedometer | N/A | yes | yes | yes |
| Stopwatch | N/A | yes | yes | yes |
| Distance meter | N/A | N/A | yes | N/A |
| Barometer | N/A | N/A | yes | N/A |
| Temperature sensor | N/A | N/A | yes | N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.2 | N/A | 4.0 |
| GLONASS | yes | yes | N/A | yes |
| GPS | yes | yes | yes | yes |
| Battery type | Li-polymer | Li-Ion | SR927W | Li-polymer |
|---|---|---|---|---|
| Battery life (running) | 10.0 h | 8.0 h | 14.0 h | 11.0 h |
| Battery life (standby mode) | 4.0 day | 2.0 day | 30.0 day | 21.0 day |
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