  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.34 in | 1.65 in | 1.6 in | 1.34 in |
|---|---|---|---|---|
| Display technology | LCD | N/A | N/A | LCD |
| Screen resolution | 300 x 300 px | 360 x 360 px | N/A | 320 x 300 px |
| Type of glass | Gorilla Glass | N/A | N/A | Gorilla Glass |
| Touchscreen | N/A | yes | no | N/A |
| Multi touch | N/A | yes | N/A | N/A |
| Type of screen | N/A | N/A | Monochrome | N/A |
| Heart rate monitor | yes | yes | yes | yes |
|---|---|---|---|---|
| Gyroscope | yes | yes | N/A | yes |
| Accelerometer | N/A | yes | no | N/A |
| Phone Functionality | N/A | yes | no | N/A |
| Magnetometer | N/A | yes | N/A | N/A |
| Built-in camera | N/A | N/A | no | N/A |
| Altimeter | N/A | N/A | no | N/A |
| Built in clockwork (Hybrid) | N/A | N/A | yes | N/A |
| Microphone | N/A | N/A | no | yes |
| LED Flashlight | N/A | N/A | no | N/A |
| Pedometer | N/A | N/A | yes | N/A |
| Sleep monitor | N/A | N/A | yes | N/A |
| Barometer | N/A | N/A | N/A | yes |
| Compass | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.0 | N/A | 4.0 |
| Wi-Fi | yes | yes | N/A | yes |
| Built-in navigation system | no | N/A | N/A | yes |
| GPS | N/A | yes | N/A | yes |
| USB | N/A | N/A | N/A | yes |
| GLONASS | N/A | N/A | N/A | yes |
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