  |  |  |  |  | |
| Available colors |
| Weight | 0.74 oz | 0.18 oz | 0.25 oz | 0.71 oz | 4.2 oz |
|---|
| Colour of product |
| Black | Black | Black | Black |
|---|
| Accelerometer | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Calorie counter | yes | yes | yes | yes | N/A |
| Distance meter | yes | N/A | yes | yes | N/A |
| Sleep reading | yes | yes | yes | yes | yes |
| Touchscreen | no | no | yes | yes | yes |
| Water resistant | N/A | yes | yes | yes | N/A |
| Fully Waterproof | N/A | no | no | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | IP67 | N/A | N/A |
| Pedometer | N/A | yes | yes | yes | N/A |
| Status indicator (LED-diod) | N/A | yes | N/A | N/A | N/A |
| Vibration alarm | N/A | yes | yes | yes | N/A |
| Watch | N/A | yes | yes | yes | N/A |
| Heart rate monitor | N/A | N/A | yes | yes | yes |
| Caller ID | N/A | N/A | yes | N/A | N/A |
| Support for HRM chest strap | N/A | N/A | yes | N/A | N/A |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.0 | 4.2 BLE | 5.0 |
| GPS | no | no | no | no | N/A |
| NFC | no | no | no | no | N/A |
| Battery life | 7.0 day | 30.0 day | 20.0 day | 20.0 day | 14.0 day |
|---|---|---|---|---|---|
| Battery type | Lithium-Ion | Lithium Polymer | Lithium Polymer | Lithium-Ion | N/A |
| Battery capacity | N/A | 41.0 mAh | 70.0 mAh | 110.0 mAh | N/A |
| Charging via USB | N/A | yes | yes | yes | N/A |
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