  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.3 in | 1.4 in | 1.63 in |
|---|---|---|---|
| Display technology | LCD | OLED | OLED |
| Screen resolution | 240 x 180 px | 400 x 400 px | 320 x 320 px |
| Type of glass | Gorilla Glass | Sapphire glass | Gorilla Glass |
| Type of screen | Colour screen | N/A | Colour screen |
| Built-in camera | no | N/A | no |
|---|---|---|---|
| Heart rate monitor | yes | yes | yes |
| Compass | yes | N/A | N/A |
| Gyroscope | yes | yes | yes |
| Accelerometer | N/A | yes | yes |
| Barometer | N/A | yes | N/A |
| Microphone | N/A | yes | yes |
| Pedometer | N/A | yes | N/A |
| Case diameter | 1.65 in | 1.65 in | 1.49 in |
|---|---|---|---|
| Case height | 1.65 in | 0.0 in | 2.31 in |
| Case thickness | 0.44 in | 0.44 in | 0.39 in |
| Weight | 1.55 oz | N/A | 1.94 oz |
| Watch case material |
| Stainless steel |
|
| Wrist band material |
|
| Rubber |
| Colour of bracelet |
| N/A |
|
| Water resistance | yes | N/A | yes |
| Fully waterproof | no | N/A | N/A |
| Wrist band width | N/A | 0.71 in | N/A |
| Replaceable wrist bands | N/A | yes | N/A |
| Anti scratch lens | N/A | yes | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | IP67 |
| 3G (UMTS) | no | N/A | N/A |
|---|---|---|---|
| 4G (LTE) | no | N/A | no |
| Bluetooth | yes | yes | yes |
| Bluetooth version | 4.0 | 4.1 | 4.0 |
| Wi-Fi | yes | yes | no |
| NFC | no | N/A | no |
| USB | yes | yes | yes |
| Built-in navigation system | no | N/A | N/A |
| Charging connection | N/A | Proprietary USB Cable | N/A |
| Infrared (IR) | N/A | N/A | yes |
| Battery technology | Li-polymer | Li-Ion | Li-Ion |
|---|---|---|---|
| Battery capacity | 167.0 mAh | 300.0 mAh | 300.0 mAh |
| Battery life (running) | 120.0 h | N/A | 48.0 h |
| Average battery life (standby) | N/A | N/A | 144.0 h |
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