  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.34 in | 0.95 in | 1.65 in | 1.2 in |
|---|---|---|---|---|
| Display technology | LCD | OLED | N/A | OLED |
| Screen resolution | 300 x 300 px | 144 x 168 px | 360 x 360 px | 360 x 360 px |
| Type of glass | Gorilla Glass | Gorilla Glass | N/A | Gorilla Glass |
| Touchscreen | N/A | N/A | yes | yes |
| Multi touch | N/A | N/A | yes | N/A |
| Type of screen | N/A | N/A | N/A | Colour screen |
| Heart rate monitor | yes | yes | yes | yes |
|---|---|---|---|---|
| Gyroscope | yes | yes | yes | yes |
| Microphone | N/A | yes | N/A | yes |
| Phone Functionality | N/A | yes | yes | N/A |
| Accelerometer | N/A | N/A | yes | yes |
| Magnetometer | N/A | N/A | yes | N/A |
| Built-in camera | N/A | N/A | N/A | no |
| Ambient Light Sensor | N/A | N/A | N/A | yes |
| Barometer | N/A | N/A | N/A | yes |
| Pedometer | N/A | N/A | N/A | yes |
| Case diameter | 0.94 in | 1.57 in | N/A | 1.67 in |
|---|---|---|---|---|
| Case height | 0.94 in | 1.18 in | N/A | 1.96 in |
| Weight | 1.31 oz | 1.41 oz | N/A | 1.66 oz |
| Watch case material |
| Plastic/Synthetic | Metal | Stainless steel |
| Wrist band material | Silicone | Silicone | N/A |
|
| Colour of bracelet |
|
| N/A |
|
| Case thickness | N/A | 0.53 in | N/A | 0.45 in |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | IP68 |
| Water resistance | N/A | N/A | N/A | yes |
| Fully waterproof | N/A | N/A | N/A | yes |
| Dust resistant | N/A | N/A | N/A | yes |
| Bluetooth | yes | no | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | 4.1 |
| Wi-Fi | yes | yes | yes | yes |
| Built-in navigation system | no | yes | N/A | no |
| 3G (UMTS) | N/A | yes | N/A | no |
| USB | N/A | yes | N/A | yes |
| GPS | N/A | yes | yes | N/A |
| 4G (LTE) | N/A | N/A | N/A | yes |
| Wireless networking standard | N/A | N/A | N/A |
|
| NFC | N/A | N/A | N/A | yes |
| Charging connection | N/A | N/A | N/A | Wireless |
| Headphone connection | N/A | N/A | N/A | Bluetooth |
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