  |  |  |  |  |
| Screen size | 1.06 in | 1.54 in | 1.2 in | 1.26 in | 1.34 in |
|---|---|---|---|---|---|
| Display technology | OLED | LCD | OLED | N/A | LCD |
| Screen resolution | N/A | 240 x 240 px | 390 x 390 px | 144 x 168 px | 320 x 300 px |
| Type of glass | N/A | N/A | Gorilla Glass | N/A | Gorilla Glass |
| Type of screen | N/A | N/A | Colour screen | N/A | N/A |
| Case diameter | 0.0 in | 1.69 in | 1.77 in | 2.48 in | 1.81 in |
|---|---|---|---|---|---|
| Case height | 0.0 in | 0.0 in | 1.93 in | N/A | 1.81 in |
| Case thickness | 0.37 in | 0.43 in | 0.5 in | 0.43 in | 0.47 in |
| Weight | 0.88 oz | 1.53 oz | 1.41 oz | 1.34 oz | 1.89 oz |
| Colour of bracelet | Black |
|
| N/A |
|
| IP code (level of dust/water resistance) | IP68 | N/A | IP68 | N/A | IP67 |
| Replaceable wrist bands | N/A | yes | N/A | yes | N/A |
| Watch case material | N/A |
| Plastic/Synthetic |
|
|
| Wrist band material | N/A |
| Rubber |
| Silicone |
| Anti scratch lens | N/A | yes | N/A | yes | N/A |
| Water resistance | N/A | N/A | yes | yes | yes |
| Fully waterproof | N/A | N/A | yes | N/A | no |
| Wrist band width | N/A | N/A | N/A | 0.87 in | N/A |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.1 | 3.0 | 4.1 | 4.0 | 4.0 |
| Wi-Fi | yes | yes | yes | N/A | yes |
| USB | N/A | yes | yes | N/A | yes |
| Charging connection | N/A | Proprietary USB Cable | N/A | Proprietary USB Cable | N/A |
| Built-in navigation system | N/A | no | yes | N/A | yes |
| 3G (UMTS) | N/A | N/A | no | N/A | N/A |
| 4G (LTE) | N/A | N/A | no | N/A | N/A |
| Wireless networking standard | N/A | N/A |
| N/A | N/A |
| NFC | N/A | N/A | yes | N/A | N/A |
| GPS | N/A | N/A | yes | N/A | yes |
| GLONASS | N/A | N/A | yes | N/A | yes |
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