  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.3 in | 1.22 in | 1.63 in | 1.97 in |
|---|---|---|---|---|
| Display technology | LCD | LCD | OLED | LED |
| Screen resolution | 240 x 180 px | 240 x 204 px | 320 x 320 px | 128 x 128 px |
| Type of glass | Gorilla Glass | N/A | Gorilla Glass | N/A |
| Type of screen | Colour screen | Colour screen | Colour screen | N/A |
| Touchscreen | N/A | yes | N/A | N/A |
| Case diameter | 1.58 in | N/A | 1.49 in | 1.97 in |
|---|---|---|---|---|
| Case height | 1.65 in | N/A | 2.31 in | N/A |
| Case thickness | 0.44 in | N/A | 0.39 in | 0.59 in |
| Weight | 1.55 oz | 2.01 oz | 1.94 oz | 2.82 oz |
| Replaceable wrist bands | yes | N/A | N/A | yes |
| Watch case material |
| N/A |
| Polyamide |
| Wrist band material |
| N/A | Rubber | Silicone |
| Colour of bracelet |
|
|
| N/A |
| Water resistance | yes | yes | yes | yes |
| Fully waterproof | no | N/A | N/A | yes |
| IP code (level of dust/water resistance) | N/A | IP67 | IP67 | N/A |
| Anti scratch lens | N/A | N/A | N/A | yes |
| 3G (UMTS) | no | N/A | N/A | N/A |
|---|---|---|---|---|
| 4G (LTE) | no | N/A | no | N/A |
| Bluetooth | yes | yes | yes | yes |
| Bluetooth version | 4.0 | 4.0 | 4.0 | 4.0 |
| Wi-Fi | no | N/A | no | N/A |
| NFC | no | N/A | no | N/A |
| USB | yes | yes | yes | N/A |
| Built-in navigation system | no | N/A | N/A | N/A |
| GPS | yes | N/A | N/A | yes |
| Infrared (IR) | N/A | N/A | yes | N/A |
| Charging connection | N/A | N/A | N/A | Proprietary USB Cable |
| Battery technology | Li-polymer | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | 167.0 mAh | 260.0 mAh | 300.0 mAh | N/A |
| Average battery life (standby) | 120.0 h | 72.0 h | 144.0 h | N/A |
| Battery life (running) | 120.0 h | N/A | 48.0 h | N/A |
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