  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.5 in | 1.19 in | N/A |
|---|---|---|---|
| Display technology | LCD | OLED | OLED |
| Screen resolution | 360 x 326 px | 390 x 390 px | 96 x 64 px |
| Type of glass | Mineral glass | Mineral glass | N/A |
| Built in clockwork (Hybrid) | yes | N/A | N/A |
|---|---|---|---|
| Microphone | yes | yes | N/A |
| Gyroscope | yes | yes | yes |
| Heart rate monitor | N/A | N/A | yes |
| Case diameter | 0.87 in | 1.65 in | 2.32 in |
|---|---|---|---|
| Case height | 1.75 in | 1.65 in | 1.18 in |
| Case thickness | 0.51 in | N/A | 0.35 in |
| Weight | 5.75 oz | N/A | 1.45 oz |
| Watch case material | Stainless steel | Stainless steel | N/A |
| Wrist band material |
|
| N/A |
| Colour of bracelet |
|
| N/A |
| Water resistance | yes | N/A | N/A |
| Fully waterproof | yes | N/A | N/A |
| IP code (level of dust/water resistance) | IP67 | IP67 | N/A |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.1 | 4.1 | 2.1 |
| Wi-Fi | yes | N/A | N/A |
| Built-in navigation system | no | no | N/A |
| USB | N/A | N/A | yes |
| Wireless charging | yes | yes | N/A |
|---|---|---|---|
| Battery capacity | 360.0 mAh | 300.0 mAh | 200.0 mAh |
| Average battery life (standby) | 24.0 h | 24.0 h | N/A |
| Battery life (running) | 24.0 h | 24.0 h | N/A |
| Battery technology | N/A | N/A | Li-Ion |
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