  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.06 in | 1.54 in | 1.4 in | N/A |
|---|---|---|---|---|
| Display technology | OLED | LCD | OLED | OLED |
| Screen resolution | N/A | 240 x 240 px | 400 x 400 px | 96 x 64 px |
| Case diameter | 0.0 in | 1.69 in | 1.73 in | 2.32 in |
|---|---|---|---|---|
| Case height | 0.0 in | 0.0 in | 0.0 in | 1.18 in |
| Case thickness | 0.37 in | 0.43 in | 0.53 in | 0.35 in |
| Weight | 0.88 oz | 1.53 oz | 1.46 oz | 1.45 oz |
| Colour of bracelet | Black |
|
| N/A |
| IP code (level of dust/water resistance) | IP68 | N/A | IP67 | N/A |
| Replaceable wrist bands | N/A | yes | N/A | N/A |
| Watch case material | N/A |
| N/A | N/A |
| Wrist band material | N/A |
| Silicone | N/A |
| Anti scratch lens | N/A | yes | N/A | N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.1 | 3.0 | 4.1 | 2.1 |
| Wi-Fi | yes | yes | N/A | N/A |
| USB | N/A | yes | N/A | yes |
| Charging connection | N/A | Proprietary USB Cable | N/A | N/A |
| Built-in navigation system | N/A | no | yes | N/A |
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