  |  |  |  |  |
| Screen size | 1.54 in | 1.26 in | 1.63 in | 1.63 in | 1.3 in |
|---|---|---|---|---|---|
| Display technology | LCD | N/A | OLED | OLED | OLED |
| Screen resolution | 240 x 240 px | 144 x 168 px | 320 x 320 px | 320 x 320 px | 360 x 360 px |
| Type of glass | N/A | N/A | Gorilla Glass | Gorilla Glass | Gorilla Glass |
| Type of screen | N/A | N/A | Colour screen | Colour screen | Colour screen |
| Case diameter | 1.69 in | 2.48 in | 1.45 in | 1.49 in | 1.81 in |
|---|---|---|---|---|---|
| Case height | 0.0 in | N/A | 2.3 in | 2.31 in | 1.93 in |
| Case thickness | 0.43 in | 0.43 in | 0.39 in | 0.39 in | 0.51 in |
| Weight | 1.53 oz | 1.34 oz | 2.4 oz | 1.94 oz | 2.19 oz |
| Replaceable wrist bands | yes | yes | N/A | N/A | N/A |
| Watch case material |
|
| Stainless steel |
|
|
| Wrist band material |
|
| Rubber | Rubber |
|
| Colour of bracelet |
| N/A |
|
|
|
| Anti scratch lens | yes | yes | N/A | N/A | N/A |
| Wrist band width | N/A | 0.87 in | 0.87 in | N/A | N/A |
| Water resistance | N/A | yes | yes | yes | yes |
| Fully waterproof | N/A | N/A | yes | N/A | no |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 | IP67 | IP68 |
| Operating system |
|
|
|
| Tizen OS |
|---|---|---|---|---|---|
| Smartphone remote features | Voice Control |
| N/A | Voice Control | N/A |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 3.0 | 4.0 | 4.0 | 4.0 | 4.2 |
| Wi-Fi | yes | N/A | no | no | yes |
| USB | yes | N/A | yes | yes | yes |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | N/A | N/A | N/A |
| Built-in navigation system | no | N/A | N/A | N/A | yes |
| 4G (LTE) | N/A | N/A | no | no | no |
| NFC | N/A | N/A | no | no | yes |
| Infrared (IR) | N/A | N/A | N/A | yes | N/A |
| 3G (UMTS) | N/A | N/A | N/A | N/A | yes |
| Wireless networking standard | N/A | N/A | N/A | N/A |
|
| GPS | N/A | N/A | N/A | N/A | yes |
| GLONASS | N/A | N/A | N/A | N/A | yes |
| Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|---|
| Battery capacity | 400.0 mAh | 140.0 mAh | 300.0 mAh | 300.0 mAh | 380.0 mAh |
| Average battery life (standby) | 240.0 h | 168.0 h | 144.0 h | 144.0 h | 96.0 h |
| Battery life (running) | 24.0 h | N/A | 144.0 h | 48.0 h | 96.0 h |
| Wireless charging | N/A | N/A | N/A | N/A | yes |
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