  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Display technology | OLED | OLED | OLED | OLED |
|---|---|---|---|---|
| Screen resolution | 96 x 16 px | 320 x 320 px | 320 x 320 px | 360 x 360 px |
| Screen size | N/A | 1.63 in | 1.63 in | 1.3 in |
| Type of screen | N/A | Colour screen | Colour screen | Colour screen |
| Type of glass | N/A | N/A | Gorilla Glass | Gorilla Glass |
| Weight | 8.01 oz | 2.6 oz | 2.6 oz | 2.19 oz |
|---|---|---|---|---|
| Replaceable wrist bands | yes | N/A | yes | N/A |
| Watch case material | Nylon Resin | Stainless steel | Stainless steel |
|
| Wrist band material |
| Rubber |
|
|
| Anti scratch lens | yes | N/A | yes | N/A |
| Water resistance | yes | N/A | yes | yes |
| Case diameter | N/A | 1.45 in | 1.45 in | 1.81 in |
| Case height | N/A | 2.23 in | 2.23 in | 1.93 in |
| Case thickness | N/A | 0.44 in | 0.44 in | 0.51 in |
| Wrist band width | N/A | N/A | 0.87 in | N/A |
| Colour of bracelet | N/A | N/A |
|
|
| Fully waterproof | N/A | N/A | yes | no |
| Dust resistant | N/A | N/A | yes | N/A |
| IP code (level of dust/water resistance) | N/A | N/A | IP68 | IP68 |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | 4.0 | 4.2 |
| Charging connection | microUSB | N/A | Wireless | N/A |
| 3G (UMTS) | N/A | no | no | yes |
| 4G (LTE) | N/A | no | yes | no |
| Wi-Fi | N/A | no | yes | yes |
| NFC | N/A | yes | yes | yes |
| USB | N/A | yes | yes | yes |
| Built-in navigation system | N/A | no | yes | yes |
| Wireless networking standard | N/A | N/A |
|
|
| Headphone connection | N/A | N/A | Bluetooth | N/A |
| GPS | N/A | N/A | yes | yes |
| GLONASS | N/A | N/A | yes | yes |
| Battery technology | Li-polymer | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|
| Battery capacity | N/A | 315.0 mAh | 315.0 mAh | 380.0 mAh |
| Average battery life (standby) | N/A | 150.0 h | 150.0 h | 96.0 h |
| Battery life (running) | N/A | 25.0 h | 25.0 h | 96.0 h |
| Wireless charging | N/A | N/A | yes | yes |
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