  |  |  |  |  |
| Screen size | 1.34 in | 0.95 in | 1.54 in | 1.65 in | 1.2 in |
|---|---|---|---|---|---|
| Display technology | LCD | OLED | LCD | N/A | OLED |
| Screen resolution | 300 x 300 px | 144 x 168 px | 240 x 240 px | 360 x 360 px | 360 x 360 px |
| Type of glass | Gorilla Glass | Gorilla Glass | N/A | N/A | Gorilla Glass |
| Touchscreen | N/A | N/A | N/A | yes | N/A |
| Multi touch | N/A | N/A | N/A | yes | N/A |
| Heart rate monitor | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Gyroscope | yes | yes | yes | yes | yes |
| Microphone | N/A | yes | yes | N/A | yes |
| Phone Functionality | N/A | yes | N/A | yes | yes |
| Built-in camera | N/A | N/A | yes | N/A | N/A |
| Accelerometer | N/A | N/A | yes | yes | N/A |
| Pedometer | N/A | N/A | yes | N/A | N/A |
| Magnetometer | N/A | N/A | N/A | yes | N/A |
| Barometer | N/A | N/A | N/A | N/A | yes |
| Case diameter | 0.94 in | 1.57 in | 1.69 in | N/A | 1.69 in |
|---|---|---|---|---|---|
| Case height | 0.94 in | 1.18 in | 0.0 in | N/A | 1.76 in |
| Weight | 1.31 oz | 1.41 oz | 1.53 oz | N/A | 2.36 oz |
| Watch case material |
| Plastic/Synthetic |
| Metal |
|
| Wrist band material | Silicone | Silicone |
| N/A | Silicone |
| Colour of bracelet |
|
|
| N/A |
|
| Case thickness | N/A | 0.53 in | 0.43 in | N/A | 0.46 in |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A | IP68 |
| Replaceable wrist bands | N/A | N/A | yes | N/A | N/A |
| Anti scratch lens | N/A | N/A | yes | N/A | N/A |
| Bluetooth | yes | no | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 3.0 | 4.0 | 4.2 |
| Wi-Fi | yes | yes | yes | yes | yes |
| Built-in navigation system | no | yes | no | N/A | yes |
| 3G (UMTS) | N/A | yes | N/A | N/A | N/A |
| USB | N/A | yes | yes | N/A | yes |
| GPS | N/A | yes | N/A | yes | N/A |
| Charging connection | N/A | N/A | Proprietary USB Cable | N/A | N/A |
| 4G (LTE) | N/A | N/A | N/A | N/A | yes |
| NFC | N/A | N/A | N/A | N/A | yes |
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