  |  |  |  |  |
| Screen size | 0.95 in | 1.4 in | 1.43 in | N/A | 1.25 in |
|---|---|---|---|---|---|
| Display technology | OLED | OLED | N/A | OLED | N/A |
| Screen resolution | 144 x 168 px | 400 x 400 px | 128 x 296 px | 96 x 64 px | 144 x 168 px |
| Type of glass | Gorilla Glass | Sapphire glass | N/A | N/A | N/A |
| Case diameter | 1.57 in | 1.65 in | N/A | 2.32 in | 1.85 in |
|---|---|---|---|---|---|
| Case height | 1.18 in | 0.0 in | N/A | 1.18 in | N/A |
| Case thickness | 0.53 in | 0.44 in | 0.35 in | 0.35 in | 0.39 in |
| Weight | 1.41 oz | N/A | 1.06 oz | 1.45 oz | 4.09 oz |
| Watch case material | Plastic/Synthetic | Stainless steel |
| N/A |
|
| Wrist band material | Silicone |
|
| N/A |
|
| Colour of bracelet |
| N/A | N/A | N/A | N/A |
| IP code (level of dust/water resistance) | IP67 | IP67 | N/A | N/A | N/A |
| Wrist band width | N/A | 0.71 in | 0.91 in | N/A | 0.87 in |
| Replaceable wrist bands | N/A | yes | N/A | N/A | N/A |
| Anti scratch lens | N/A | yes | N/A | N/A | yes |
| Water resistance | N/A | N/A | yes | N/A | yes |
| Fully waterproof | N/A | N/A | yes | N/A | yes |
| Dust resistant | N/A | N/A | N/A | N/A | yes |
| Shock resistant | N/A | N/A | N/A | N/A | yes |
| 3G (UMTS) | yes | N/A | N/A | N/A | N/A |
|---|---|---|---|---|---|
| Bluetooth | no | yes | yes | yes | yes |
| Bluetooth version | 4.1 | 4.1 | 4.0 | 2.1 | 4.0 |
| Wi-Fi | yes | yes | N/A | N/A | N/A |
| USB | yes | yes | N/A | yes | N/A |
| Built-in navigation system | yes | N/A | N/A | N/A | N/A |
| GPS | yes | N/A | N/A | N/A | N/A |
| Charging connection | N/A | Proprietary USB Cable | microUSB | N/A | Proprietary USB Cable |
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