  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.34 in | 1.34 in | 0.95 in | 1.97 in |
|---|---|---|---|---|
| Display technology | LCD | LCD | OLED | LED |
| Screen resolution | 300 x 300 px | 300 x 300 px | 144 x 168 px | 128 x 128 px |
| Type of glass | Gorilla Glass | Gorilla Glass | Gorilla Glass | N/A |
| Case diameter | 0.94 in | 0.94 in | 1.57 in | 1.97 in |
|---|---|---|---|---|
| Case height | 0.94 in | 0.94 in | 1.18 in | N/A |
| Weight | 1.31 oz | 1.31 oz | 1.41 oz | 2.82 oz |
| Watch case material |
| Aluminum | Plastic/Synthetic | Polyamide |
| Wrist band material | Silicone |
| Silicone | Silicone |
| Colour of bracelet |
|
|
| N/A |
| Case thickness | N/A | N/A | 0.53 in | 0.59 in |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 | N/A |
| Replaceable wrist bands | N/A | N/A | N/A | yes |
| Anti scratch lens | N/A | N/A | N/A | yes |
| Water resistance | N/A | N/A | N/A | yes |
| Fully waterproof | N/A | N/A | N/A | yes |
| Operating system | Proprietary OS | Proprietary OS | Pebble OS |
|
|---|
| Bluetooth | yes | yes | no | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.1 | 4.0 |
| Wi-Fi | yes | yes | yes | N/A |
| Built-in navigation system | no | yes | yes | N/A |
| NFC | N/A | yes | N/A | N/A |
| 3G (UMTS) | N/A | N/A | yes | N/A |
| USB | N/A | N/A | yes | N/A |
| GPS | N/A | N/A | yes | yes |
| Charging connection | N/A | N/A | N/A | Proprietary USB Cable |
| Battery technology | Li-polymer | Li-polymer | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery life (running) | 96.0 h | 96.0 h | 144.0 h | N/A |
| Battery capacity | N/A | N/A | 130.0 mAh | N/A |
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