  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.3 in | 1.6 in | 1.34 in | 1.28 in |
|---|---|---|---|---|
| Display technology | OLED | N/A | LCD | N/A |
| Screen resolution | 128 x 128 px | 320 x 320 px | 320 x 300 px | 176 x 176 px |
| Multi touch | yes | N/A | N/A | N/A |
| Type of glass | N/A | N/A | Gorilla Glass | Gorilla Glass |
| Case diameter | 1.97 in | 1.97 in | 1.81 in | 1.38 in |
|---|---|---|---|---|
| Case thickness | 0.31 in | 0.39 in | 0.47 in | 0.31 in |
| Wrist band width | 0.79 in | N/A | N/A | N/A |
| Weight | 1.45 oz | 1.59 oz | 1.89 oz | 1.09 oz |
| Replaceable wrist bands | yes | yes | N/A | N/A |
| Watch case material | Aluminum | Stainless steel |
| Plastic/Synthetic |
| Wrist band material |
|
| Silicone | Silicone |
| Water resistance | yes | yes | yes | N/A |
| Anti scratch lens | N/A | yes | N/A | N/A |
| Fully waterproof | N/A | yes | no | N/A |
| Dust resistant | N/A | yes | N/A | N/A |
| Case height | N/A | N/A | 1.81 in | 0.0 in |
| Colour of bracelet | N/A | N/A |
|
|
| IP code (level of dust/water resistance) | N/A | N/A | IP67 | IP68 |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 3.0 | 4.0 | 4.0 | 4.0 |
| Charging connection | Proprietary USB Cable | microUSB | N/A | N/A |
| GPS | yes | yes | yes | N/A |
| Wi-Fi | N/A | yes | yes | N/A |
| NFC | N/A | yes | N/A | N/A |
| Headphone connection | N/A | Bluetooth | N/A | N/A |
| USB | N/A | N/A | yes | yes |
| Built-in navigation system | N/A | N/A | yes | yes |
| GLONASS | N/A | N/A | yes | N/A |
| Average battery life (standby) | 72.0 h | 48.0 h | 278.0 h | 1080.0 h |
|---|---|---|---|---|
| Battery technology | N/A | Li-polymer | Li-polymer | Li-polymer |
| Battery capacity | N/A | 420.0 mAh | 280.0 mAh | 190.0 mAh |
| Battery life (running) | N/A | N/A | 35.0 h | 720.0 h |
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