  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.3 in | 1.85 in | 1.56 in | N/A |
|---|---|---|---|---|
| Display technology | OLED | OLED | LCD | OLED |
| Screen resolution | 320 x 320 px | N/A | 320 x 290 px | 96 x 64 px |
| Type of glass | Plexiglas | Mineral glass | N/A | N/A |
| Type of screen | Colour screen | N/A | N/A | N/A |
| Touchscreen | N/A | N/A | yes | N/A |
| Case diameter | 1.83 in | 1.77 in | 1.81 in | 2.32 in |
|---|---|---|---|---|
| Case height | 2.11 in | 1.77 in | N/A | 1.18 in |
| Case thickness | 0.38 in | 0.51 in | 0.43 in | 0.35 in |
| Wrist band width | 0.87 in | N/A | N/A | N/A |
| Weight | 2.19 oz | 5.89 oz | 1.73 oz | 1.45 oz |
| Replaceable wrist bands | yes | N/A | yes | N/A |
| Watch case material |
| Stainless steel | Stainless steel | N/A |
| Wrist band material |
| Steel | N/A | N/A |
| Colour of bracelet | Black |
| N/A | N/A |
| Anti scratch lens | yes | N/A | yes | N/A |
| Water resistance | yes | N/A | yes | N/A |
| Fully waterproof | yes | N/A | yes | N/A |
| IP code (level of dust/water resistance) | IP67 | N/A | N/A | N/A |
| 3G (UMTS) | no | N/A | N/A | N/A |
|---|---|---|---|---|
| 4G (LTE) | no | N/A | N/A | N/A |
| Bluetooth | yes | yes | yes | yes |
| Bluetooth version | 4.0 | 4.1 | 4.0 | 2.1 |
| Wi-Fi | yes | N/A | yes | N/A |
| NFC | no | N/A | N/A | N/A |
| USB | yes | N/A | N/A | yes |
| Charging connection | microUSB | N/A | Wireless | N/A |
| Built-in navigation system | no | yes | N/A | N/A |
| Headphone connection | N/A | N/A | Bluetooth | N/A |
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