  |  |  | |
| Editiorial reviews | |||
| User rating |
| Case diameter | 1.73 in | 1.69 in | 2.32 in |
|---|---|---|---|
| Case thickness | 0.59 in | 0.43 in | 0.35 in |
| Wrist band width | 0.87 in | N/A | N/A |
| Weight | 2.4 oz | 1.53 oz | 1.45 oz |
| Replaceable wrist bands | yes | yes | N/A |
| Watch case material | Stainless steel |
| N/A |
| Wrist band material |
|
| N/A |
| Water resistance | yes | N/A | N/A |
| Case height | N/A | 0.0 in | 1.18 in |
| Colour of bracelet | N/A |
| N/A |
| Anti scratch lens | N/A | yes | N/A |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.0 | 3.0 | 2.1 |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | N/A |
| Wi-Fi | N/A | yes | N/A |
| USB | N/A | yes | yes |
| Built-in navigation system | N/A | no | N/A |
| Battery capacity | 27.0 mAh | 400.0 mAh | 200.0 mAh |
|---|---|---|---|
| Battery technology | N/A | Li-Ion | Li-Ion |
| Average battery life (standby) | N/A | 240.0 h | N/A |
| Battery life (running) | N/A | 24.0 h | N/A |
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