  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | N/A | N/A | N/A |
|---|---|---|---|---|
| Screen size | 1.3 in | 1.4 in | 1.26 in | 1.63 in |
| Display technology | OLED | OLED | N/A | OLED |
| Screen resolution | 320 x 320 px | 400 x 400 px | 144 x 168 px | 320 x 320 px |
| Type of glass | Gorilla Glass | N/A | N/A | N/A |
| Type of screen | Colour screen | N/A | N/A | Colour screen |
| Multi touch | yes | N/A | N/A | N/A |
| Case diameter | 1.79 in | 1.73 in | 2.48 in | 1.45 in |
|---|---|---|---|---|
| Case height | 2.06 in | 0.0 in | N/A | 2.23 in |
| Case thickness | 0.43 in | 0.53 in | 0.43 in | 0.44 in |
| Weight | 2.35 oz | 1.46 oz | 1.34 oz | 2.6 oz |
| Replaceable wrist bands | yes | N/A | yes | N/A |
| Watch case material |
| N/A |
| Stainless steel |
| Wrist band material | Leather | Silicone |
| Rubber |
| Colour of bracelet | Black |
| N/A | N/A |
| Water resistance | yes | N/A | yes | N/A |
| Fully waterproof | yes | N/A | N/A | N/A |
| Dust resistant | yes | N/A | N/A | N/A |
| IP code (level of dust/water resistance) | IP67 | IP67 | N/A | N/A |
| Wrist band width | N/A | N/A | 0.87 in | N/A |
| Anti scratch lens | N/A | N/A | yes | N/A |
| 3G (UMTS) | no | N/A | N/A | no |
|---|---|---|---|---|
| 4G (LTE) | no | N/A | N/A | no |
| Bluetooth | yes | yes | yes | yes |
| Bluetooth version | 4.1 | 4.1 | 4.0 | 4.0 |
| Wi-Fi | yes | N/A | N/A | no |
| NFC | no | N/A | N/A | yes |
| USB | yes | N/A | N/A | yes |
| Charging connection | Proprietary USB Cable | N/A | Proprietary USB Cable | N/A |
| Headphone connection | Bluetooth | N/A | N/A | N/A |
| Built-in navigation system | no | yes | N/A | no |
| GPS | yes | N/A | N/A | N/A |
| Battery technology | Li-polymer | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | 410.0 mAh | 300.0 mAh | 140.0 mAh | 315.0 mAh |
| Average battery life (standby) | 24.0 h | N/A | 168.0 h | 150.0 h |
| Battery life (running) | 48.0 h | 48.0 h | N/A | 25.0 h |
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