  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.63 in | 1.63 in | 1.3 in |
|---|---|---|---|
| Display technology | OLED | OLED | OLED |
| Screen resolution | 320 x 320 px | 320 x 320 px | 128 x 128 px |
| Type of screen | Colour screen | Colour screen | N/A |
| Type of glass | N/A | Gorilla Glass | N/A |
| Multi touch | N/A | N/A | yes |
| Case diameter | 1.45 in | 1.45 in | 1.97 in |
|---|---|---|---|
| Case height | 2.23 in | 2.3 in | N/A |
| Case thickness | 0.44 in | 0.39 in | 0.31 in |
| Weight | 2.6 oz | 2.4 oz | 1.45 oz |
| Watch case material | Stainless steel | Stainless steel | Aluminum |
| Wrist band material | Rubber | Rubber |
|
| Wrist band width | N/A | 0.87 in | 0.79 in |
| Colour of bracelet | N/A |
| N/A |
| Water resistance | N/A | yes | yes |
| Fully waterproof | N/A | yes | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A |
| Replaceable wrist bands | N/A | N/A | yes |
| 3G (UMTS) | no | N/A | N/A |
|---|---|---|---|
| 4G (LTE) | no | no | N/A |
| Bluetooth | yes | yes | yes |
| Bluetooth version | 4.0 | 4.0 | 3.0 |
| Wi-Fi | no | no | N/A |
| NFC | yes | no | N/A |
| USB | yes | yes | N/A |
| Built-in navigation system | no | N/A | N/A |
| Charging connection | N/A | N/A | Proprietary USB Cable |
| GPS | N/A | N/A | yes |
| Battery technology | Li-Ion | Li-Ion | N/A |
|---|---|---|---|
| Battery capacity | 315.0 mAh | 300.0 mAh | N/A |
| Average battery life (standby) | 150.0 h | 144.0 h | 72.0 h |
| Battery life (running) | 25.0 h | 144.0 h | N/A |
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