  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.34 in | 0.95 in | 1.2 in |
|---|---|---|---|
| Display technology | LCD | OLED | OLED |
| Screen resolution | 300 x 300 px | 144 x 168 px | 360 x 360 px |
| Type of glass | Gorilla Glass | Gorilla Glass | N/A |
| Touchscreen | N/A | N/A | yes |
| Heart rate monitor | yes | yes | yes |
|---|---|---|---|
| Gyroscope | yes | yes | yes |
| Microphone | N/A | yes | N/A |
| Phone Functionality | N/A | yes | N/A |
| Accelerometer | N/A | N/A | yes |
| Ambient Light Sensor | N/A | N/A | yes |
| Pedometer | N/A | N/A | yes |
| Case diameter | 0.94 in | 1.57 in | 1.54 in |
|---|---|---|---|
| Case height | 0.94 in | 1.18 in | N/A |
| Weight | 1.31 oz | 1.41 oz | 1.48 oz |
| Watch case material |
| Plastic/Synthetic |
|
| Wrist band material | Silicone | Silicone | Silicone |
| Colour of bracelet |
|
| N/A |
| Case thickness | N/A | 0.53 in | 0.43 in |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A |
| Fully waterproof | N/A | N/A | yes |
| Dust resistant | N/A | N/A | yes |
| Operating system | Proprietary OS | Pebble OS | Android 4.4+ |
|---|---|---|---|
| Smartphone remote features | N/A | N/A |
|
| Bluetooth | yes | no | yes |
|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 |
| Wi-Fi | yes | yes | yes |
| Built-in navigation system | no | yes | N/A |
| 3G (UMTS) | N/A | yes | N/A |
| USB | N/A | yes | N/A |
| GPS | N/A | yes | N/A |
| NFC | N/A | N/A | yes |
| Charging connection | N/A | N/A | Wireless |
| Headphone connection | N/A | N/A | Bluetooth |
| Battery technology | Li-polymer | Li-Ion | Li-Ion |
|---|---|---|---|
| Battery life (running) | 96.0 h | 144.0 h | N/A |
| Battery capacity | N/A | 130.0 mAh | 250.0 mAh |
| Average battery life (standby) | N/A | N/A | 48.0 h |
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